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Database: UniProt
Entry: Q12809
LinkDB: Q12809
Original site: Q12809 
ID   KCNH2_HUMAN             Reviewed;        1159 AA.
AC   Q12809; A5H1P7; C4PFH9; D3DX04; O75418; O75680; Q708S9; Q9BT72; Q9BUT7;
AC   Q9H3P0;
DT   30-MAY-2000, integrated into UniProtKB/Swiss-Prot.
DT   01-NOV-1996, sequence version 1.
DT   27-MAR-2024, entry version 239.
DE   RecName: Full=Potassium voltage-gated channel subfamily H member 2;
DE   AltName: Full=Eag homolog;
DE   AltName: Full=Ether-a-go-go-related gene potassium channel 1;
DE            Short=ERG-1;
DE            Short=Eag-related protein 1;
DE            Short=Ether-a-go-go-related protein 1;
DE            Short=H-ERG;
DE            Short=hERG-1;
DE            Short=hERG1;
DE   AltName: Full=Voltage-gated potassium channel subunit Kv11.1;
GN   Name=KCNH2; Synonyms=ERG, ERG1, HERG;
OS   Homo sapiens (Human).
OC   Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia;
OC   Eutheria; Euarchontoglires; Primates; Haplorrhini; Catarrhini; Hominidae;
OC   Homo.
OX   NCBI_TaxID=9606;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [MRNA] (ISOFORM A).
RC   TISSUE=Hippocampus;
RX   PubMed=8159766; DOI=10.1073/pnas.91.8.3438;
RA   Warmke J.W., Ganetzky B.;
RT   "A family of potassium channel genes related to eag in Drosophila and
RT   mammals.";
RL   Proc. Natl. Acad. Sci. U.S.A. 91:3438-3442(1994).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA] (ISOFORM A), AND VARIANT LQT2 CYS-534.
RX   PubMed=9600240; DOI=10.1007/s004390050717;
RA   Itoh T., Tanaka T., Nagai R., Kamiya T., Sawayama T., Nakayama T.,
RA   Tomoike H., Sakurada H., Yazaki Y., Nakamura Y.;
RT   "Genomic organization and mutational analysis of HERG, a gene responsible
RT   for familial long QT syndrome.";
RL   Hum. Genet. 102:435-439(1998).
RN   [3]
RP   NUCLEOTIDE SEQUENCE [MRNA] (ISOFORM A-USO).
RC   TISSUE=Heart;
RX   PubMed=11374908; DOI=10.1006/geno.2001.6527;
RA   Soejima H., Kawamoto S., Akai J., Miyoshi O., Arai Y., Morohka T.,
RA   Matsuo S., Niikawa N., Kimura A., Okubo K., Mukai T.;
RT   "Isolation of novel heart-specific genes using the BodyMap database.";
RL   Genomics 74:115-120(2001).
RN   [4]
RP   NUCLEOTIDE SEQUENCE [MRNA] (ISOFORM A).
RA   Downie D., Chapman C.G., Punia P., Rice S., Bahmani F., Murdock P.,
RA   Pearson N., Randall A.D., Meadows H.J.;
RT   "Potent inhibition of HERG K+ channels by the neuroprotective agent
RT   Sipatrigine.";
RL   Submitted (MAR-2001) to the EMBL/GenBank/DDBJ databases.
RN   [5]
RP   NUCLEOTIDE SEQUENCE [MRNA] (ISOFORM B).
RX   PubMed=12431979; DOI=10.1074/jbc.m210789200;
RA   Crociani O., Guasti L., Balzi M., Becchetti A., Wanke E., Olivotto M.,
RA   Wymore R.S., Arcangeli A.;
RT   "Cell cycle-dependent expression of HERG1 and HERG1B isoforms in tumor
RT   cells.";
RL   J. Biol. Chem. 278:2947-2955(2003).
RN   [6]
RP   NUCLEOTIDE SEQUENCE [MRNA] (ISOFORM B-USO), FUNCTION, SUBCELLULAR LOCATION,
RP   AND TISSUE SPECIFICITY.
RX   PubMed=18559421; DOI=10.1128/mcb.00304-08;
RA   Guasti L., Crociani O., Redaelli E., Pillozzi S., Polvani S., Masselli M.,
RA   Mello T., Galli A., Amedei A., Wymore R.S., Wanke E., Arcangeli A.;
RT   "Identification of a posttranslational mechanism for the regulation of
RT   hERG1 K+ channel expression and hERG1 current density in tumor cells.";
RL   Mol. Cell. Biol. 28:5043-5060(2008).
RN   [7]
RP   NUCLEOTIDE SEQUENCE [MRNA] (ISOFORM 3.1), AND SUBCELLULAR LOCATION.
RC   TISSUE=Brain;
RX   PubMed=19412172; DOI=10.1038/nm.1962;
RA   Huffaker S.J., Chen J., Nicodemus K.K., Sambataro F., Yang F., Mattay V.,
RA   Lipska B.K., Hyde T.M., Song J., Rujescu D., Giegling I., Mayilyan K.,
RA   Proust M.J., Soghoyan A., Caforio G., Callicott J.H., Bertolino A.,
RA   Meyer-Lindenberg A., Chang J., Ji Y., Egan M.F., Goldberg T.E.,
RA   Kleinman J.E., Lu B., Weinberger D.R.;
RT   "A primate-specific, brain isoform of KCNH2 affects cortical physiology,
RT   cognition, neuronal repolarization and risk of schizophrenia.";
RL   Nat. Medicines 15:509-518(2009).
RN   [8]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RG   NHLBI resequencing and genotyping service (RS&G);
RL   Submitted (JUN-2006) to the EMBL/GenBank/DDBJ databases.
RN   [9]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RX   PubMed=12853948; DOI=10.1038/nature01782;
RA   Hillier L.W., Fulton R.S., Fulton L.A., Graves T.A., Pepin K.H.,
RA   Wagner-McPherson C., Layman D., Maas J., Jaeger S., Walker R., Wylie K.,
RA   Sekhon M., Becker M.C., O'Laughlin M.D., Schaller M.E., Fewell G.A.,
RA   Delehaunty K.D., Miner T.L., Nash W.E., Cordes M., Du H., Sun H.,
RA   Edwards J., Bradshaw-Cordum H., Ali J., Andrews S., Isak A., Vanbrunt A.,
RA   Nguyen C., Du F., Lamar B., Courtney L., Kalicki J., Ozersky P.,
RA   Bielicki L., Scott K., Holmes A., Harkins R., Harris A., Strong C.M.,
RA   Hou S., Tomlinson C., Dauphin-Kohlberg S., Kozlowicz-Reilly A., Leonard S.,
RA   Rohlfing T., Rock S.M., Tin-Wollam A.-M., Abbott A., Minx P., Maupin R.,
RA   Strowmatt C., Latreille P., Miller N., Johnson D., Murray J.,
RA   Woessner J.P., Wendl M.C., Yang S.-P., Schultz B.R., Wallis J.W.,
RA   Spieth J., Bieri T.A., Nelson J.O., Berkowicz N., Wohldmann P.E.,
RA   Cook L.L., Hickenbotham M.T., Eldred J., Williams D., Bedell J.A.,
RA   Mardis E.R., Clifton S.W., Chissoe S.L., Marra M.A., Raymond C., Haugen E.,
RA   Gillett W., Zhou Y., James R., Phelps K., Iadanoto S., Bubb K., Simms E.,
RA   Levy R., Clendenning J., Kaul R., Kent W.J., Furey T.S., Baertsch R.A.,
RA   Brent M.R., Keibler E., Flicek P., Bork P., Suyama M., Bailey J.A.,
RA   Portnoy M.E., Torrents D., Chinwalla A.T., Gish W.R., Eddy S.R.,
RA   McPherson J.D., Olson M.V., Eichler E.E., Green E.D., Waterston R.H.,
RA   Wilson R.K.;
RT   "The DNA sequence of human chromosome 7.";
RL   Nature 424:157-164(2003).
RN   [10]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RA   Mural R.J., Istrail S., Sutton G.G., Florea L., Halpern A.L., Mobarry C.M.,
RA   Lippert R., Walenz B., Shatkay H., Dew I., Miller J.R., Flanigan M.J.,
RA   Edwards N.J., Bolanos R., Fasulo D., Halldorsson B.V., Hannenhalli S.,
RA   Turner R., Yooseph S., Lu F., Nusskern D.R., Shue B.C., Zheng X.H.,
RA   Zhong F., Delcher A.L., Huson D.H., Kravitz S.A., Mouchard L., Reinert K.,
RA   Remington K.A., Clark A.G., Waterman M.S., Eichler E.E., Adams M.D.,
RA   Hunkapiller M.W., Myers E.W., Venter J.C.;
RL   Submitted (SEP-2005) to the EMBL/GenBank/DDBJ databases.
RN   [11]
RP   NUCLEOTIDE SEQUENCE [MRNA] OF 1-376 (ISOFORM B).
RC   TISSUE=Heart;
RX   PubMed=9351462; DOI=10.1161/01.res.81.5.870;
RA   London B., Trudeau M.C., Newton K.P., Beyer A.K., Copeland N.G.,
RA   Gilbert D.J., Jenkins N.A., Satler C.A., Robertson G.A.;
RT   "Two isoforms of the mouse ether-a-go-go-related gene coassemble to form
RT   channels with properties similar to the rapidly activating component of the
RT   cardiac delayed rectifier K+ current.";
RL   Circ. Res. 81:870-878(1997).
RN   [12]
RP   NUCLEOTIDE SEQUENCE [MRNA] OF 1-376 (ISOFORM B).
RC   TISSUE=Heart atrium;
RX   PubMed=9351446; DOI=10.1161/01.res.81.5.719;
RA   Lees-Miller J.P., Kondo C., Wang L., Duff H.J.;
RT   "Electrophysiological characterization of an alternatively processed ERG K+
RT   channel in mouse and human hearts.";
RL   Circ. Res. 81:719-726(1997).
RN   [13]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA] OF 27-1159 (ISOFORM A), AND VARIANT
RP   GLY-ALA-GLY-189 INS.
RX   PubMed=10790218;
RX   DOI=10.1002/(sici)1098-1004(200005)15:5<483::aid-humu18>3.0.co;2-t;
RA   Paulussen A., Yang P., Pangalos M., Verhasselt P., Marrannes R.,
RA   Verfaille C., Vandenberk I., Crabbe R., Konings F., Luyten W.,
RA   Armstrong M.;
RT   "Analysis of the human KCNH2(HERG) gene: identification and
RT   characterization of a novel mutation Y667X associated with long QT syndrome
RT   and a non-pathological 9 bp insertion.";
RL   Hum. Mutat. 15:483-483(2000).
RN   [14]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA] OF 59-800 (ISOFORM 4), AND
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA] OF 716-1159 (ISOFORMS A/B).
RC   TISSUE=Brain;
RX   PubMed=15489334; DOI=10.1101/gr.2596504;
RG   The MGC Project Team;
RT   "The status, quality, and expansion of the NIH full-length cDNA project:
RT   the Mammalian Gene Collection (MGC).";
RL   Genome Res. 14:2121-2127(2004).
RN   [15]
RP   NUCLEOTIDE SEQUENCE [MRNA] OF 795-888 (ISOFORM A-USO).
RC   TISSUE=Heart ventricle;
RX   PubMed=9765245; DOI=10.1074/jbc.273.42.27231;
RA   Kupershmidt S., Snyders D.J., Raes A., Roden D.M.;
RT   "A K+ channel splice variant common in human heart lacks a C-terminal
RT   domain required for expression of rapidly activating delayed rectifier
RT   current.";
RL   J. Biol. Chem. 273:27231-27235(1998).
RN   [16]
RP   MUTAGENESIS OF ASN-598; ASN-629 AND SER-631, AND GLYCOSYLATION AT ASN-598.
RX   PubMed=12063277; DOI=10.1152/ajpheart.00008.2002;
RA   Gong Q., Anderson C.L., January C.T., Zhou Z.;
RT   "Role of glycosylation in cell surface expression and stability of HERG
RT   potassium channels.";
RL   Am. J. Physiol. 283:H77-H84(2002).
RN   [17]
RP   MUTAGENESIS OF SER-283; SER-890; THR-895 AND SER-1137, AND PHOSPHORYLATION.
RX   PubMed=10837251; DOI=10.1016/s0960-9822(00)00516-9;
RA   Cui J., Melman Y., Palma E., Fishman G.I., McDonald T.V.;
RT   "Cyclic AMP regulates the HERG K(+) channel by dual pathways.";
RL   Curr. Biol. 10:671-674(2000).
RN   [18]
RP   INTERACTION WITH KCNE1.
RX   PubMed=9230439; DOI=10.1038/40882;
RA   McDonald T.V., Yu Z., Ming Z., Palma E., Meyers M.B., Wang K.-W.,
RA   Goldstein S.A.N., Fishman G.I.;
RT   "A minK-HERG complex regulates the cardiac potassium current I(Kr).";
RL   Nature 388:289-292(1997).
RN   [19]
RP   INTERACTION WITH KCNE2.
RX   PubMed=10219239; DOI=10.1016/s0092-8674(00)80728-x;
RA   Abbott G.W., Sesti F., Splawski I., Buck M.E., Lehmann M.H., Timothy K.W.,
RA   Keating M.T., Goldstein S.A.N.;
RT   "MiRP1 forms IKr potassium channels with HERG and is associated with
RT   cardiac arrhythmia.";
RL   Cell 97:175-187(1999).
RN   [20]
RP   INTERACTION WITH CANX, AND CHARACTERIZATION OF VARIANT LQT2 ASP-470.
RX   PubMed=16361248; DOI=10.1074/jbc.m511765200;
RA   Gong Q., Jones M.A., Zhou Z.;
RT   "Mechanisms of pharmacological rescue of trafficking-defective hERG mutant
RT   channels in human long QT syndrome.";
RL   J. Biol. Chem. 281:4069-4074(2006).
RN   [21]
RP   PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT SER-320, AND IDENTIFICATION BY
RP   MASS SPECTROMETRY [LARGE SCALE ANALYSIS].
RC   TISSUE=Leukemic T-cell;
RX   PubMed=19690332; DOI=10.1126/scisignal.2000007;
RA   Mayya V., Lundgren D.H., Hwang S.-I., Rezaul K., Wu L., Eng J.K.,
RA   Rodionov V., Han D.K.;
RT   "Quantitative phosphoproteomic analysis of T cell receptor signaling
RT   reveals system-wide modulation of protein-protein interactions.";
RL   Sci. Signal. 2:RA46-RA46(2009).
RN   [22]
RP   PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT SER-239; SER-320; SER-871 AND
RP   SER-1137, AND IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS].
RC   TISSUE=Erythroleukemia;
RX   PubMed=23186163; DOI=10.1021/pr300630k;
RA   Zhou H., Di Palma S., Preisinger C., Peng M., Polat A.N., Heck A.J.,
RA   Mohammed S.;
RT   "Toward a comprehensive characterization of a human cancer cell
RT   phosphoproteome.";
RL   J. Proteome Res. 12:260-271(2013).
RN   [23]
RP   INTERACTION WITH RNF207, AND INDUCTION BY RNF207.
RX   PubMed=25281747; DOI=10.1074/jbc.m114.592295;
RA   Roder K., Werdich A.A., Li W., Liu M., Kim T.Y., Organ-Darling L.E.,
RA   Moshal K.S., Hwang J.M., Lu Y., Choi B.R., MacRae C.A., Koren G.;
RT   "RING finger protein RNF207, a novel regulator of cardiac excitation.";
RL   J. Biol. Chem. 289:33730-33740(2014).
RN   [24]
RP   FUNCTION, INTERACTION WITH NDFIP1 AND NDFIP2, AND SUBCELLULAR LOCATION.
RX   PubMed=26363003; DOI=10.1042/bj20141282;
RA   Kang Y., Guo J., Yang T., Li W., Zhang S.;
RT   "Regulation of the human ether-a-go-go-related gene (hERG) potassium
RT   channel by Nedd4 family interacting proteins (Ndfips).";
RL   Biochem. J. 472:71-82(2015).
RN   [25]
RP   FUNCTION, SUBUNIT, INTERACTION WITH DNAJB12 AND DNAJB14, VARIANT LQT2
RP   TYR-64, AND CHARACTERIZATION OF VARIANTS LQT2 TYR-64 AND PRO-65.
RX   PubMed=27916661; DOI=10.1016/j.molcel.2016.10.027;
RA   Li K., Jiang Q., Bai X., Yang Y.F., Ruan M.Y., Cai S.Q.;
RT   "Tetrameric assembly of K(+) channels requires ER-located chaperone
RT   proteins.";
RL   Mol. Cell 65:52-65(2017).
RN   [26]
RP   X-RAY CRYSTALLOGRAPHY (2.6 ANGSTROMS) OF 1-135, AND MUTAGENESIS OF PHE-29
RP   AND TYR-43.
RX   PubMed=9845367; DOI=10.1016/s0092-8674(00)81635-9;
RA   Morais Cabral J.H., Lee A., Cohen S.L., Chait B.T., Li M., Mackinnon R.;
RT   "Crystal structure and functional analysis of the HERG potassium channel N-
RT   terminus: a eukaryotic PAS domain.";
RL   Cell 95:649-655(1998).
RN   [27]
RP   VARIANTS LQT2 ASP-470; VAL-561 AND SER-628.
RX   PubMed=7889573; DOI=10.1016/0092-8674(95)90358-5;
RA   Curran M.E., Splawski I., Timothy K.W., Vincent G.M., Green E.D.,
RA   Keating M.T.;
RT   "A molecular basis for cardiac arrhythmia: HERG mutations cause long QT
RT   syndrome.";
RL   Cell 80:795-803(1995).
RN   [28]
RP   VARIANT LQT2 MET-822.
RX   PubMed=8914737;
RX   DOI=10.1002/(sici)1096-8628(19961002)65:1<27::aid-ajmg4>3.0.co;2-v;
RA   Satler C.A., Walsh E.P., Vesely M.R., Plummer M.H., Ginsburg G.S.,
RA   Jacob H.J.;
RT   "Novel missense mutation in the cyclic nucleotide-binding domain of HERG
RT   causes long QT syndrome.";
RL   Am. J. Med. Genet. 65:27-35(1996).
RN   [29]
RP   VARIANT LQT2 ARG-593.
RX   PubMed=8635257; DOI=10.1161/01.cir.93.10.1791;
RA   Benson D.W., MacRae C.A., Vesely M.R., Walsh E.P., Seidman J.G.,
RA   Seidman C.E., Satler C.A.;
RT   "Missense mutation in the pore region of HERG causes familial long QT
RT   syndrome.";
RL   Circulation 93:1791-1795(1996).
RN   [30]
RP   VARIANT LQT2 THR-561.
RX   PubMed=8877771; DOI=10.1006/jmcc.1996.0151;
RA   Dausse E., Berthet M., Denjoy I., Andre-Fouet X., Cruaud C., Bennaceur M.,
RA   Faure S., Coumel P., Schwartz K., Guicheney P.;
RT   "A mutation in HERG associated with notched T waves in long QT syndrome.";
RL   J. Mol. Cell. Cardiol. 28:1609-1615(1996).
RN   [31]
RP   VARIANTS LQT2 ILE-474; HIS-611; VAL-614 AND LEU-630.
RX   PubMed=9024139; DOI=10.1161/01.cir.95.3.565;
RA   Tanaka T., Nagai R., Tomoike H., Takata S., Yano K., Yabuta K., Haneda N.,
RA   Nakano O., Shibata A., Sawayama T., Kasai H., Yazaki Y., Nakamura Y.;
RT   "Four novel KVLQT1 and four novel HERG mutations in familial long-QT
RT   syndrome.";
RL   Circulation 95:565-567(1997).
RN   [32]
RP   VARIANTS LQT2 CYS-572; ASP-588; VAL-614 AND ALA-630.
RX   PubMed=9693036; DOI=10.1006/geno.1998.5361;
RA   Splawski I., Shen J., Timothy K.W., Vincent G.M., Lehmann M.H.,
RA   Keating M.T.;
RT   "Genomic structure of three long QT syndrome genes: KVLQT1, HERG, and
RT   KCNE1.";
RL   Genomics 51:86-97(1998).
RN   [33]
RP   VARIANTS LQT2 LEU-612; VAL-614; ASP-629; SER-629 AND SER-633.
RX   PubMed=9544837; DOI=10.1007/s004390050690;
RA   Satler C.A., Vesely M.R., Duggal P., Ginsburg G.S., Beggs A.H.;
RT   "Multiple different missense mutations in the pore region of HERG in
RT   patients with long QT syndrome.";
RL   Hum. Genet. 102:265-272(1998).
RN   [34]
RP   VARIANT LQT2 SER-601.
RX   PubMed=9452080; DOI=10.1002/humu.1380110159;
RA   Akimoto K., Furutani M., Imamura S., Furutani Y., Kasanuki H., Takao A.,
RA   Momma K., Matsuoka R.;
RT   "Novel missense mutation (G601S) of HERG in a Japanese long QT syndrome
RT   family.";
RL   Hum. Mutat. Suppl. 1:S184-S186(1998).
RN   [35]
RP   VARIANT LQT2 LEU-818.
RX   PubMed=10086971; DOI=10.1161/01.cir.99.11.1464;
RA   Berthet M., Denjoy I., Donger C., Demay L., Hammoude H., Klug D.,
RA   Schulze-Bahr E., Richard P., Funke H., Schwartz K., Coumel P., Hainque B.,
RA   Guicheney P.;
RT   "C-terminal HERG mutations: the role of hypokalemia and a KCNQ1-associated
RT   mutation in cardiac event occurrence.";
RL   Circulation 99:1464-1470(1999).
RN   [36]
RP   VARIANTS LQT2 PRO-558; CYS-582; SER-604; MET-613 AND LEU-640.
RX   PubMed=10220144;
RX   DOI=10.1002/(sici)1098-1004(1999)13:4<301::aid-humu7>3.0.co;2-v;
RA   Jongbloed R.J.E., Wilde A.A.M., Geelen J.L.M.C., Doevendans P., Schaap C.,
RA   van Langen I., van Tintelen J.P., Cobben J.M., Beaufort-Krol G.C.M.,
RA   Geraedts J.P.M., Smeets H.J.M.;
RT   "Novel KCNQ1 and HERG missense mutations in Dutch long-QT families.";
RL   Hum. Mutat. 13:301-310(1999).
RN   [37]
RP   VARIANTS LQT2 LEU-29; THR-33; ARG-53; GLN-56; GLY-66; ARG-70; PRO-78 AND
RP   ARG-86.
RX   PubMed=10187793; DOI=10.1074/jbc.274.15.10113;
RA   Chen J., Zou A., Splawski I., Keating M.T., Sanguinetti M.C.;
RT   "Long QT syndrome-associated mutations in the Per-Arnt-Sim (PAS) domain of
RT   HERG potassium channels accelerate channel deactivation.";
RL   J. Biol. Chem. 274:10113-10118(1999).
RN   [38]
RP   VARIANT LQT2 LYS-629.
RX   PubMed=10517660; DOI=10.1111/j.1540-8167.1999.tb00304.x;
RA   Yoshida H., Horie M., Otani H., Takano M., Tsuji K., Kubota T.,
RA   Fukunami M., Sasayama S.;
RT   "Characterization of a novel missense mutation in the pore of HERG in a
RT   patient with long QT syndrome.";
RL   J. Cardiovasc. Electrophysiol. 10:1262-1270(1999).
RN   [39]
RP   VARIANT LQT2 ARG-572.
RX   PubMed=10735633; DOI=10.1034/j.1399-0004.2000.570206.x;
RA   Larsen L.A., Svendsen I.H., Jensen A.M., Kanters J.K., Andersen P.S.,
RA   Moeller M., Soerensen S.A., Sandoee E., Jacobsen J.R., Vuust J.,
RA   Christiansen M.;
RT   "Long QT syndrome with a high mortality rate caused by a novel G572R
RT   missense mutation in KCNH2.";
RL   Clin. Genet. 57:125-130(2000).
RN   [40]
RP   REVIEW, AND VARIANTS LQT2 VAL-615; SER-626; LEU-627; GLU-638; LEU-645;
RP   TRP-752; SER-805; LEU-917 AND TRP-922.
RX   PubMed=10973849; DOI=10.1161/01.cir.102.10.1178;
RA   Splawski I., Shen J., Timothy K.W., Lehmann M.H., Priori S.G.,
RA   Robinson J.L., Moss A.J., Schwartz P.J., Towbin J.A., Vincent G.M.,
RA   Keating M.T.;
RT   "Spectrum of mutations in long-QT syndrome genes. KVLQT1, HERG, SCN5A,
RT   KCNE1, and KCNE2.";
RL   Circulation 102:1178-1185(2000).
RN   [41]
RP   VARIANTS LQT2 TRP-176; LEU-451; HIS-569; SER-584; SER-601 AND MET-613, AND
RP   VARIANT THR-897.
RX   PubMed=10862094;
RX   DOI=10.1002/1098-1004(200006)15:6<580::aid-humu16>3.0.co;2-0;
RA   Laitinen P., Fodstad H., Piippo K., Swan H., Toivonen L., Viitasalo M.,
RA   Kaprio J., Kontula K.;
RT   "Survey of the coding region of the HERG gene in long QT syndrome reveals
RT   six novel mutations and an amino acid polymorphism with possible phenotypic
RT   effects.";
RL   Hum. Mutat. 15:580-581(2000).
RN   [42]
RP   CHARACTERIZATION OF VARIANT LQT2 VAL-561.
RX   PubMed=10753933; DOI=10.1074/jbc.275.15.11241;
RA   Kagan A., Yu Z., Fishman G.I., McDonald T.V.;
RT   "The dominant negative LQT2 mutation A561V reduces wild-type HERG
RT   expression.";
RL   J. Biol. Chem. 275:11241-11248(2000).
RN   [43]
RP   VARIANT LQT2 THR-490.
RX   PubMed=11170080;
RX   DOI=10.1002/1096-8628(20010201)98:4<348::aid-ajmg1109>3.0.co;2-a;
RA   Yoshida H., Horie M., Otani H., Kawashima T., Onishi Y., Sasayama S.;
RT   "Bradycardia-induced long QT syndrome caused by a de novo missense mutation
RT   in the S2-S3 inner loop of HERG.";
RL   Am. J. Med. Genet. 98:348-352(2001).
RN   [44]
RP   VARIANT LQT2 LYS-637.
RX   PubMed=12062363; DOI=10.1016/s0008-6363(02)00240-7;
RA   Hayashi K., Shimizu M., Ino H., Yamaguchi M., Mabuchi H., Hoshi N.,
RA   Higashida H.;
RT   "Characterization of a novel missense mutation E637K in the pore-S6 loop of
RT   HERG in a patient with long QT syndrome.";
RL   Cardiovasc. Res. 54:67-76(2002).
RN   [45]
RP   VARIANTS TRP-784 AND THR-897, AND CHARACTERIZATION OF VARIANT TRP-784.
RX   PubMed=11997281; DOI=10.1161/01.cir.0000014448.19052.4c;
RA   Yang P., Kanki H., Drolet B., Yang T., Wei J., Viswanathan P.C.,
RA   Hohnloser S.H., Shimizu W., Schwartz P.J., Stanton M., Murray K.T.,
RA   Norris K., George A.L. Jr., Roden D.M.;
RT   "Allelic variants in long-QT disease genes in patients with drug-associated
RT   torsades de pointes.";
RL   Circulation 105:1943-1948(2002).
RN   [46]
RP   VARIANTS LQT2 PRO-413; ASP-444 AND HIS-559.
RX   PubMed=12442276; DOI=10.1002/humu.9085;
RA   Liu W., Yang J., Hu D., Kang C., Li C., Zhang S., Li P., Chen Z., Qin X.,
RA   Ying K., Li Y., Li Y., Li Z., Cheng X., Li L., Qi Y., Chen S., Wang Q.;
RT   "KCNQ1 and KCNH2 mutations associated with long QT syndrome in a Chinese
RT   population.";
RL   Hum. Mutat. 20:475-476(2002).
RN   [47]
RP   VARIANT LQT2 PRO-65.
RX   PubMed=12354768; DOI=10.1074/jbc.m206569200;
RA   Paulussen A., Raes A., Matthijs G., Snyders D.J., Cohen N., Aerssens J.;
RT   "A novel mutation (T65P) in the PAS domain of the human potassium channel
RT   HERG results in the long QT syndrome by trafficking deficiency.";
RL   J. Biol. Chem. 277:48610-48616(2002).
RN   [48]
RP   VARIANT LQT2 GLN-752.
RX   PubMed=12621127; DOI=10.1203/01.pdr.0000059750.17002.b6;
RA   Johnson W.H. Jr., Yang P., Yang T., Lau Y.R., Mostella B.A., Wolff D.J.,
RA   Roden D.M., Benson D.W.;
RT   "Clinical, genetic, and biophysical characterization of a homozygous HERG
RT   mutation causing severe neonatal long QT syndrome.";
RL   Pediatr. Res. 53:744-748(2003).
RN   [49]
RP   VARIANT SQT1 LYS-588.
RX   PubMed=14676148; DOI=10.1161/01.cir.0000109482.92774.3a;
RA   Brugada R., Hong K., Dumaine R., Cordeiro J., Gaita F., Borggrefe M.,
RA   Menendez T.M., Brugada J., Pollevick G.D., Wolpert C., Burashnikov E.,
RA   Matsuo K., Wu Y.S., Guerchicoff A., Bianchi F., Giustetto C., Schimpf R.,
RA   Brugada P., Antzelevitch C.;
RT   "Sudden death associated with short-QT syndrome linked to mutations in
RT   HERG.";
RL   Circulation 109:30-35(2004).
RN   [50]
RP   VARIANT LQT2 ILE-861.
RX   PubMed=15051636; DOI=10.1161/01.cir.0000125524.34234.13;
RA   Westenskow P., Splawski I., Timothy K.W., Keating M.T., Sanguinetti M.C.;
RT   "Compound mutations: a common cause of severe long-QT syndrome.";
RL   Circulation 109:1834-1841(2004).
RN   [51]
RP   VARIANTS LQT2 ILE-26; LEU-29; SER-31; ARG-53; LEU-55; PRO-65; ARG-70;
RP   PRO-78; VAL-85; GLN-100; SER-238; TRP-306; LEU-320; CYS-328; CYS-420;
RP   MET-421; THR-422; SER-427; TYR-456; TYR-475 DEL; CYS-534; SER-552; THR-561;
RP   VAL-561; PRO-562; LEU-571; SER-572; CYS-582; SER-584; ASP-588; ARG-596;
RP   SER-604; MET-613; VAL-614; PHE-622; ILE-623; SER-628; VAL-628; ALA-630;
RP   SER-633; ILE-635; VAL-640; PHE-641; 671-ALA--THR-675 DEL; LEU-721; TYR-774;
RP   TRP-784; ASP-788; CYS-805; ARG-820; MET-822; GLY-837; HIS-887; VAL-913;
RP   ARG-925; ILE-983; ILE-996 AND ASP-1036.
RX   PubMed=15840476; DOI=10.1016/j.hrthm.2005.01.020;
RA   Tester D.J., Will M.L., Haglund C.M., Ackerman M.J.;
RT   "Compendium of cardiac channel mutations in 541 consecutive unrelated
RT   patients referred for long QT syndrome genetic testing.";
RL   Heart Rhythm 2:507-517(2005).
RN   [52]
RP   VARIANTS LQT2 CYS-43; TYR-49; ALA-58; ASP-58; GLY-58; LEU-68; ARG-71;
RP   MET-74; SER-251; SER-410; HIS-426; HIS-427; LEU-428; TYR-460; HIS-501;
RP   LEU-534; SER-566; ARG-568; VAL-571; ASP-572; LEU-582; HIS-609; PHE-615;
RP   ARG-621; ALA-626; ASP-637; PHE-644; CYS-656; LEU-660; PRO-696; TRP-800;
RP   PRO-818; HIS-861; LEU-968 AND TYR-1153.
RX   PubMed=16414944; DOI=10.1001/jama.294.23.2975;
RA   Napolitano C., Priori S.G., Schwartz P.J., Bloise R., Ronchetti E.,
RA   Nastoli J., Bottelli G., Cerrone M., Leonardi S.;
RT   "Genetic testing in the long QT syndrome: development and validation of an
RT   efficient approach to genotyping in clinical practice.";
RL   JAMA 294:2975-2980(2005).
RN   [53]
RP   VARIANT SQT1 LYS-588.
RX   PubMed=15828882; DOI=10.1046/j.1540-8167.2005.40621.x;
RA   Hong K., Bjerregaard P., Gussak I., Brugada R.;
RT   "Short QT syndrome and atrial fibrillation caused by mutation in KCNH2.";
RL   J. Cardiovasc. Electrophysiol. 16:394-396(2005).
RN   [54]
RP   VARIANTS LQT2 GLY-100; HIS-427; ASN-525; PRO-528; CYS-696 AND CYS-948.
RX   PubMed=16922724; DOI=10.1111/j.1399-0004.2006.00671.x;
RA   Millat G., Chevalier P., Restier-Miron L., Da Costa A., Bouvagnet P.,
RA   Kugener B., Fayol L., Gonzalez Armengod C., Oddou B., Chanavat V.,
RA   Froidefond E., Perraudin R., Rousson R., Rodriguez-Lafrasse C.;
RT   "Spectrum of pathogenic mutations and associated polymorphisms in a cohort
RT   of 44 unrelated patients with long QT syndrome.";
RL   Clin. Genet. 70:214-227(2006).
RN   [55]
RP   VARIANTS LQT2 ALA-16; GLY-20; LEU-29; THR-30; THR-32; PHE-41; TYR-45;
RP   ASP-53; HIS-54; PRO-57; TRP-64; ARG-70; ASN-70; 72-PRO--ALA-80 DELINS
RP   ARG-PRO-VAL; GLN-72; LEU-72; ARG-74; MET-74; PRO-74; VAL-85; PRO-86;
RP   GLY-94; GLN-100; TRP-100; ALA-102; TYR-106; ARG-108; SER-114; CYS-125;
RP   LEU-141; ALA-149; HIS-164; VAL-218; GLY-242; ASN-259; ASP-277; THR-291;
RP   LEU-301; CYS-312; SER-314; ASN-323; CYS-328; ARG-402; MET-421; CYS-427;
RP   LEU-431; LEU-440; LEU-451; TYR-466; ASN-473; CYS-475; ILE-476; THR-490;
RP   CYS-493; SER-493; ASN-501; TRP-531; CYS-534; LEU-534; SER-552; GLU-558;
RP   THR-561; VAL-561; ARG-562; THR-565; ASP-572; SER-572; VAL-572; CYS-582;
RP   ARG-584; SER-584; CYS-585; LYS-593; ASP-594; HIS-596; LEU-596; CYS-597;
RP   ARG-599; CYS-601; SER-601; SER-604; LEU-605; SER-605; GLY-609; MET-613;
RP   VAL-614; CYS-616; ASP-626; SER-628; ILE-629; SER-629; ILE-634; ASP-635;
RP   LYS-635; ASP-637; ASN-638; LYS-638 DEL; LEU-644; PHE-644; ILE-645; SER-648;
RP   ARG-657; LEU-660; THR-662; PRO-678; TYR-687; PRO-693; VAL-711; PHE-728;
RP   VAL-749; ASN-757; TYR-767; ALA-770; TYR-774; LYS-788; 791-ARG--LEU-799 DEL;
RP   TRP-791; GLU-806; MET-822; TRP-823; TYR-837; SER-846; CYS-885; CYS-894;
RP   LEU-894; ARG-903; LEU-906; VAL-913; GLN-920; TRP-920; GLN-922; ALA-924;
RP   GLU-924; ASN-937; GLN-1005; HIS-1007; TRP-1033; MET-1038; PRO-1049;
RP   VAL-1066; CYS-1078; LEU-1093 AND VAL-1115.
RX   PubMed=19716085; DOI=10.1016/j.hrthm.2009.05.021;
RA   Kapplinger J.D., Tester D.J., Salisbury B.A., Carr J.L., Harris-Kerr C.,
RA   Pollevick G.D., Wilde A.A., Ackerman M.J.;
RT   "Spectrum and prevalence of mutations from the first 2,500 consecutive
RT   unrelated patients referred for the FAMILION long QT syndrome genetic
RT   test.";
RL   Heart Rhythm 6:1297-1303(2009).
RN   [56]
RP   VARIANT LQT2 PRO-744, AND CHARACTERIZATION OF VARIANT LQT2 PRO-744.
RX   PubMed=22314138; DOI=10.1016/j.bbrc.2012.01.118;
RA   Aidery P., Kisselbach J., Gaspar H., Baldea I., Schweizer P.A., Becker R.,
RA   Katus H.A., Thomas D.;
RT   "Identification and functional characterization of the novel human ether-a-
RT   go-go-related gene (hERG) R744P mutant associated with hereditary long QT
RT   syndrome 2.";
RL   Biochem. Biophys. Res. Commun. 418:830-835(2012).
CC   -!- FUNCTION: Pore-forming (alpha) subunit of voltage-gated inwardly
CC       rectifying potassium channel. Channel properties are modulated by cAMP
CC       and subunit assembly. Mediates the rapidly activating component of the
CC       delayed rectifying potassium current in heart (IKr) (PubMed:18559421,
CC       PubMed:26363003, PubMed:27916661). {ECO:0000269|PubMed:18559421,
CC       ECO:0000269|PubMed:26363003, ECO:0000269|PubMed:27916661}.
CC   -!- FUNCTION: [Isoform A-USO]: Has no channel activity by itself, but
CC       modulates channel characteristics by forming heterotetramers with other
CC       isoforms which are retained intracellularly and undergo ubiquitin-
CC       dependent degradation. {ECO:0000269|PubMed:18559421}.
CC   -!- FUNCTION: [Isoform B-USO]: Has no channel activity by itself, but
CC       modulates channel characteristics by forming heterotetramers with other
CC       isoforms which are retained intracellularly and undergo ubiquitin-
CC       dependent degradation. {ECO:0000269|PubMed:18559421}.
CC   -!- SUBUNIT: The potassium channel is probably composed of a homo- or
CC       heterotetrameric complex of pore-forming alpha subunits that can
CC       associate with modulating beta subunits (PubMed:27916661). Interacts
CC       with DNAJB12 and DNAJB14; chaperones DNAJB12 and DNAJB14 promote
CC       tetramerization (PubMed:27916661). Heteromultimer with KCNH6/ERG2 and
CC       KCNH7/ERG3 (By similarity). Interacts with ALG10B (By similarity).
CC       Heteromultimer with KCNE1 and KCNE2 (PubMed:9230439, PubMed:10219239).
CC       Interacts with CANX (PubMed:16361248). The core-glycosylated, but not
CC       the fully glycosylated form interacts with RNF207 (PubMed:25281747).
CC       Interacts with NDFIP1 and NDFIP2 (PubMed:26363003).
CC       {ECO:0000250|UniProtKB:O08962, ECO:0000269|PubMed:10219239,
CC       ECO:0000269|PubMed:16361248, ECO:0000269|PubMed:25281747,
CC       ECO:0000269|PubMed:26363003, ECO:0000269|PubMed:27916661,
CC       ECO:0000269|PubMed:9230439}.
CC   -!- INTERACTION:
CC       Q12809; Q03135: CAV1; NbExp=5; IntAct=EBI-720643, EBI-603614;
CC       Q12809; Q12809: KCNH2; NbExp=6; IntAct=EBI-720643, EBI-720643;
CC       Q12809-2; Q9BZ67: FRMD8; NbExp=3; IntAct=EBI-12966028, EBI-5773072;
CC   -!- SUBCELLULAR LOCATION: Cell membrane {ECO:0000269|PubMed:18559421,
CC       ECO:0000269|PubMed:19412172, ECO:0000269|PubMed:26363003}; Multi-pass
CC       membrane protein {ECO:0000269|PubMed:18559421,
CC       ECO:0000269|PubMed:19412172}.
CC   -!- ALTERNATIVE PRODUCTS:
CC       Event=Alternative splicing; Named isoforms=6;
CC         Comment=Experimental confirmation may be lacking for some isoforms.;
CC       Name=A;
CC         IsoId=Q12809-1; Sequence=Displayed;
CC       Name=B;
CC         IsoId=Q12809-2; Sequence=VSP_000965;
CC       Name=4;
CC         IsoId=Q12809-4; Sequence=VSP_000966;
CC       Name=A-USO;
CC         IsoId=Q12809-5; Sequence=VSP_047880, VSP_047881;
CC       Name=B-USO;
CC         IsoId=Q12809-6; Sequence=VSP_047878, VSP_047879, VSP_047880,
CC                                  VSP_047881;
CC       Name=3.1;
CC         IsoId=Q12809-7; Sequence=VSP_047877;
CC   -!- TISSUE SPECIFICITY: Highly expressed in heart and brain. Isoforms USO
CC       are frequently overexpressed in cancer cells.
CC       {ECO:0000269|PubMed:18559421}.
CC   -!- INDUCTION: Up-regulated by RNF207 (at protein level).
CC       {ECO:0000269|PubMed:25281747}.
CC   -!- DOMAIN: The segment S4 is probably the voltage-sensor and is
CC       characterized by a series of positively charged amino acids at every
CC       third position.
CC   -!- PTM: Phosphorylated on serine and threonine residues. Phosphorylation
CC       by PKA inhibits ion conduction. {ECO:0000269|PubMed:10837251}.
CC   -!- DISEASE: Long QT syndrome 2 (LQT2) [MIM:613688]: A heart disorder
CC       characterized by a prolonged QT interval on the ECG and polymorphic
CC       ventricular arrhythmias. They cause syncope and sudden death in
CC       response to exercise or emotional stress, and can present with a
CC       sentinel event of sudden cardiac death in infancy. Deafness is often
CC       associated with long QT syndrome type 2. {ECO:0000269|PubMed:10086971,
CC       ECO:0000269|PubMed:10187793, ECO:0000269|PubMed:10220144,
CC       ECO:0000269|PubMed:10517660, ECO:0000269|PubMed:10735633,
CC       ECO:0000269|PubMed:10753933, ECO:0000269|PubMed:10862094,
CC       ECO:0000269|PubMed:10973849, ECO:0000269|PubMed:11170080,
CC       ECO:0000269|PubMed:12062363, ECO:0000269|PubMed:12354768,
CC       ECO:0000269|PubMed:12442276, ECO:0000269|PubMed:12621127,
CC       ECO:0000269|PubMed:15051636, ECO:0000269|PubMed:15840476,
CC       ECO:0000269|PubMed:16361248, ECO:0000269|PubMed:16414944,
CC       ECO:0000269|PubMed:16922724, ECO:0000269|PubMed:19716085,
CC       ECO:0000269|PubMed:22314138, ECO:0000269|PubMed:27916661,
CC       ECO:0000269|PubMed:7889573, ECO:0000269|PubMed:8635257,
CC       ECO:0000269|PubMed:8877771, ECO:0000269|PubMed:8914737,
CC       ECO:0000269|PubMed:9024139, ECO:0000269|PubMed:9452080,
CC       ECO:0000269|PubMed:9544837, ECO:0000269|PubMed:9600240,
CC       ECO:0000269|PubMed:9693036}. Note=The disease is caused by variants
CC       affecting the gene represented in this entry.
CC   -!- DISEASE: Short QT syndrome 1 (SQT1) [MIM:609620]: A form of short QT
CC       syndrome, a heart disorder characterized by idiopathic persistently and
CC       uniformly short QT interval on ECG in the absence of structural heart
CC       disease in affected individuals. It can cause syncope and sudden death.
CC       {ECO:0000269|PubMed:14676148, ECO:0000269|PubMed:15828882}. Note=The
CC       disease is caused by variants affecting the gene represented in this
CC       entry.
CC   -!- MISCELLANEOUS: [Isoform A-USO]: Twice more abundant than isoform 1 in
CC       heart. {ECO:0000305}.
CC   -!- MISCELLANEOUS: [Isoform 3.1]: Primate-specific. Lacks a domain that is
CC       crucial for slow channel deactivation. {ECO:0000305}.
CC   -!- SIMILARITY: Belongs to the potassium channel family. H (Eag) (TC
CC       1.A.1.20) subfamily. Kv11.1/KCNH2 sub-subfamily. {ECO:0000305}.
CC   -!- SEQUENCE CAUTION:
CC       Sequence=CAA09232.1; Type=Erroneous gene model prediction; Evidence={ECO:0000305};
CC   -!- WEB RESOURCE: Name=Wikipedia; Note=Ether-a-go-go potassium channels
CC       entry;
CC       URL="https://en.wikipedia.org/wiki/Ether-a-go-go_potassium_channels";
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DR   EMBL; U04270; AAA62473.1; -; mRNA.
DR   EMBL; AB009071; BAA37096.1; -; Genomic_DNA.
DR   EMBL; AB044806; BAB19682.1; -; mRNA.
DR   EMBL; AF363636; AAL37559.1; -; mRNA.
DR   EMBL; AJ512214; CAD54447.1; -; mRNA.
DR   EMBL; AJ609614; CAE82156.1; -; mRNA.
DR   EMBL; FJ938021; ACR24650.1; -; mRNA.
DR   EMBL; DQ784808; ABQ01243.1; -; Genomic_DNA.
DR   EMBL; AC006343; -; NOT_ANNOTATED_CDS; Genomic_DNA.
DR   EMBL; AC011234; -; NOT_ANNOTATED_CDS; Genomic_DNA.
DR   EMBL; CH471173; EAW54072.1; -; Genomic_DNA.
DR   EMBL; AJ010538; CAA09232.1; ALT_SEQ; Genomic_DNA.
DR   EMBL; AJ010539; CAA09232.1; JOINED; Genomic_DNA.
DR   EMBL; AJ010540; CAA09232.1; JOINED; Genomic_DNA.
DR   EMBL; AJ010541; CAA09232.1; JOINED; Genomic_DNA.
DR   EMBL; AJ010542; CAA09232.1; JOINED; Genomic_DNA.
DR   EMBL; AJ010543; CAA09232.1; JOINED; Genomic_DNA.
DR   EMBL; AJ010544; CAA09232.1; JOINED; Genomic_DNA.
DR   EMBL; AJ010545; CAA09232.1; JOINED; Genomic_DNA.
DR   EMBL; AJ010546; CAA09232.1; JOINED; Genomic_DNA.
DR   EMBL; AJ010547; CAA09232.1; JOINED; Genomic_DNA.
DR   EMBL; AJ010548; CAA09232.1; JOINED; Genomic_DNA.
DR   EMBL; AJ010549; CAA09232.1; JOINED; Genomic_DNA.
DR   EMBL; AJ010550; CAA09232.1; JOINED; Genomic_DNA.
DR   EMBL; AJ010551; CAA09232.1; JOINED; Genomic_DNA.
DR   EMBL; CH471173; EAW54075.1; -; Genomic_DNA.
DR   EMBL; BC001914; AAH01914.2; -; mRNA.
DR   EMBL; BC004311; AAH04311.2; -; mRNA.
DR   EMBL; AF052728; AAC69709.1; -; mRNA.
DR   CCDS; CCDS5910.1; -. [Q12809-1]
DR   CCDS; CCDS5911.1; -. [Q12809-2]
DR   PIR; I38465; I38465.
DR   RefSeq; NP_000229.1; NM_000238.3. [Q12809-1]
DR   RefSeq; NP_001191727.1; NM_001204798.1. [Q12809-6]
DR   RefSeq; NP_742053.1; NM_172056.2. [Q12809-5]
DR   RefSeq; NP_742054.1; NM_172057.2. [Q12809-2]
DR   PDB; 1BYW; X-ray; 2.60 A; A=26-135.
DR   PDB; 1UJL; NMR; -; A=570-611.
DR   PDB; 2L0W; NMR; -; A=1-135.
DR   PDB; 2L1M; NMR; -; A=1-135.
DR   PDB; 2L4R; NMR; -; A=1-135.
DR   PDB; 2LE7; NMR; -; A=532-551.
DR   PDB; 2N7G; NMR; -; A=734-864.
DR   PDB; 4HP9; X-ray; 2.12 A; A=10-135.
DR   PDB; 4HQA; X-ray; 1.96 A; A=1-135.
DR   PDB; 5VA1; EM; 3.70 A; A=1-1159.
DR   PDB; 5VA2; EM; 3.80 A; A=1-1159.
DR   PDB; 5VA3; EM; 4.00 A; A=1-1159.
DR   PDB; 6SYG; X-ray; 1.50 A; A=734-864.
DR   PDBsum; 1BYW; -.
DR   PDBsum; 1UJL; -.
DR   PDBsum; 2L0W; -.
DR   PDBsum; 2L1M; -.
DR   PDBsum; 2L4R; -.
DR   PDBsum; 2LE7; -.
DR   PDBsum; 2N7G; -.
DR   PDBsum; 4HP9; -.
DR   PDBsum; 4HQA; -.
DR   PDBsum; 5VA1; -.
DR   PDBsum; 5VA2; -.
DR   PDBsum; 5VA3; -.
DR   PDBsum; 6SYG; -.
DR   AlphaFoldDB; Q12809; -.
DR   BMRB; Q12809; -.
DR   EMDB; EMD-8650; -.
DR   EMDB; EMD-8651; -.
DR   EMDB; EMD-8652; -.
DR   SMR; Q12809; -.
DR   BioGRID; 109959; 55.
DR   ComplexPortal; CPX-3072; Voltage-gated potassium channel complex variant 1.
DR   ComplexPortal; CPX-3073; Voltage-gated potassium channel complex variant 2.
DR   CORUM; Q12809; -.
DR   DIP; DIP-48929N; -.
DR   IntAct; Q12809; 9.
DR   MINT; Q12809; -.
DR   STRING; 9606.ENSP00000262186; -.
DR   BindingDB; Q12809; -.
DR   ChEMBL; CHEMBL240; -.
DR   DrugBank; DB01118; Amiodarone.
DR   DrugBank; DB00321; Amitriptyline.
DR   DrugBank; DB00276; Amsacrine.
DR   DrugBank; DB00637; Astemizole.
DR   DrugBank; DB04957; Azimilide.
DR   DrugBank; DB01244; Bepridil.
DR   DrugBank; DB12364; Betrixaban.
DR   DrugBank; DB01136; Carvedilol.
DR   DrugBank; DB11386; Chlorobutanol.
DR   DrugBank; DB00477; Chlorpromazine.
DR   DrugBank; DB00537; Ciprofloxacin.
DR   DrugBank; DB00604; Cisapride.
DR   DrugBank; DB01211; Clarithromycin.
DR   DrugBank; DB00280; Disopyramide.
DR   DrugBank; DB00204; Dofetilide.
DR   DrugBank; DB00590; Doxazosin.
DR   DrugBank; DB01142; Doxepin.
DR   DrugBank; DB04855; Dronedarone.
DR   DrugBank; DB00228; Enflurane.
DR   DrugBank; DB00199; Erythromycin.
DR   DrugBank; DB01195; Flecainide.
DR   DrugBank; DB00472; Fluoxetine.
DR   DrugBank; DB00176; Fluvoxamine.
DR   DrugBank; DB01218; Halofantrine.
DR   DrugBank; DB00557; Hydroxyzine.
DR   DrugBank; DB00308; Ibutilide.
DR   DrugBank; DB00458; Imipramine.
DR   DrugBank; DB11633; Isavuconazole.
DR   DrugBank; DB01026; Ketoconazole.
DR   DrugBank; DB00836; Loperamide.
DR   DrugBank; DB00455; Loratadine.
DR   DrugBank; DB01110; Miconazole.
DR   DrugBank; DB01149; Nefazodone.
DR   DrugBank; DB11186; Pentoxyverine.
DR   DrugBank; DB01074; Perhexiline.
DR   DrugBank; DB00252; Phenytoin.
DR   DrugBank; DB01100; Pimozide.
DR   DrugBank; DB11642; Pitolisant.
DR   DrugBank; DB11090; Potassium nitrate.
DR   DrugBank; DB00457; Prazosin.
DR   DrugBank; DB01035; Procainamide.
DR   DrugBank; DB01069; Promethazine.
DR   DrugBank; DB01182; Propafenone.
DR   DrugBank; DB00908; Quinidine.
DR   DrugBank; DB06144; Sertindole.
DR   DrugBank; DB06207; Silodosin.
DR   DrugBank; DB00489; Sotalol.
DR   DrugBank; DB00675; Tamoxifen.
DR   DrugBank; DB06457; Tecastemizole.
DR   DrugBank; DB01162; Terazosin.
DR   DrugBank; DB00342; Terfenadine.
DR   DrugBank; DB00679; Thioridazine.
DR   DrugBank; DB03701; Vanoxerine.
DR   DrugBank; DB00661; Verapamil.
DR   DrugBank; DB06217; Vernakalant.
DR   DrugCentral; Q12809; -.
DR   GuidetoPHARMACOLOGY; 572; -.
DR   TCDB; 1.A.1.20.1; the voltage-gated ion channel (vic) superfamily.
DR   GlyCosmos; Q12809; 1 site, No reported glycans.
DR   GlyGen; Q12809; 2 sites.
DR   iPTMnet; Q12809; -.
DR   PhosphoSitePlus; Q12809; -.
DR   BioMuta; KCNH2; -.
DR   DMDM; 7531135; -.
DR   jPOST; Q12809; -.
DR   MassIVE; Q12809; -.
DR   PaxDb; 9606-ENSP00000262186; -.
DR   PeptideAtlas; Q12809; -.
DR   ProteomicsDB; 58963; -. [Q12809-1]
DR   ProteomicsDB; 58964; -. [Q12809-2]
DR   ProteomicsDB; 58965; -. [Q12809-4]
DR   ProteomicsDB; 7598; -.
DR   Pumba; Q12809; -.
DR   Antibodypedia; 32919; 441 antibodies from 33 providers.
DR   DNASU; 3757; -.
DR   Ensembl; ENST00000262186.10; ENSP00000262186.5; ENSG00000055118.17. [Q12809-1]
DR   Ensembl; ENST00000330883.9; ENSP00000328531.4; ENSG00000055118.17. [Q12809-2]
DR   GeneID; 3757; -.
DR   KEGG; hsa:3757; -.
DR   MANE-Select; ENST00000262186.10; ENSP00000262186.5; NM_000238.4; NP_000229.1.
DR   UCSC; uc003wib.4; human. [Q12809-1]
DR   AGR; HGNC:6251; -.
DR   CTD; 3757; -.
DR   DisGeNET; 3757; -.
DR   GeneCards; KCNH2; -.
DR   GeneReviews; KCNH2; -.
DR   HGNC; HGNC:6251; KCNH2.
DR   HPA; ENSG00000055118; Tissue enhanced (bone marrow, pituitary gland).
DR   MalaCards; KCNH2; -.
DR   MIM; 152427; gene.
DR   MIM; 609620; phenotype.
DR   MIM; 613688; phenotype.
DR   neXtProt; NX_Q12809; -.
DR   OpenTargets; ENSG00000055118; -.
DR   Orphanet; 51083; Familial short QT syndrome.
DR   Orphanet; 101016; Romano-Ward syndrome.
DR   PharmGKB; PA212; -.
DR   VEuPathDB; HostDB:ENSG00000055118; -.
DR   eggNOG; KOG0498; Eukaryota.
DR   GeneTree; ENSGT00940000159846; -.
DR   HOGENOM; CLU_005746_2_4_1; -.
DR   InParanoid; Q12809; -.
DR   OMA; TEDCEKR; -.
DR   OrthoDB; 66005at2759; -.
DR   PhylomeDB; Q12809; -.
DR   TreeFam; TF313130; -.
DR   PathwayCommons; Q12809; -.
DR   Reactome; R-HSA-1296072; Voltage gated Potassium channels.
DR   Reactome; R-HSA-5576890; Phase 3 - rapid repolarisation.
DR   SignaLink; Q12809; -.
DR   SIGNOR; Q12809; -.
DR   BioGRID-ORCS; 3757; 20 hits in 1176 CRISPR screens.
DR   ChiTaRS; KCNH2; human.
DR   EvolutionaryTrace; Q12809; -.
DR   GeneWiki; HERG; -.
DR   GenomeRNAi; 3757; -.
DR   Pharos; Q12809; Tclin.
DR   PRO; PR:Q12809; -.
DR   Proteomes; UP000005640; Chromosome 7.
DR   RNAct; Q12809; Protein.
DR   Bgee; ENSG00000055118; Expressed in apex of heart and 149 other cell types or tissues.
DR   ExpressionAtlas; Q12809; baseline and differential.
DR   Genevisible; Q12809; HS.
DR   GO; GO:0009986; C:cell surface; IDA:BHF-UCL.
DR   GO; GO:1902937; C:inward rectifier potassium channel complex; IMP:UniProtKB.
DR   GO; GO:0048471; C:perinuclear region of cytoplasm; IMP:BHF-UCL.
DR   GO; GO:0005886; C:plasma membrane; IDA:BHF-UCL.
DR   GO; GO:0008076; C:voltage-gated potassium channel complex; IDA:BHF-UCL.
DR   GO; GO:0055131; F:C3HC4-type RING finger domain binding; IPI:BHF-UCL.
DR   GO; GO:0005251; F:delayed rectifier potassium channel activity; IDA:BHF-UCL.
DR   GO; GO:0042802; F:identical protein binding; IPI:IntAct.
DR   GO; GO:0005242; F:inward rectifier potassium channel activity; IDA:BHF-UCL.
DR   GO; GO:0042803; F:protein homodimerization activity; IPI:BHF-UCL.
DR   GO; GO:0097110; F:scaffold protein binding; IPI:BHF-UCL.
DR   GO; GO:0000976; F:transcription cis-regulatory region binding; IDA:ARUK-UCL.
DR   GO; GO:0031625; F:ubiquitin protein ligase binding; IPI:BHF-UCL.
DR   GO; GO:0005249; F:voltage-gated potassium channel activity; IDA:UniProtKB.
DR   GO; GO:0086008; F:voltage-gated potassium channel activity involved in cardiac muscle cell action potential repolarization; IC:BHF-UCL.
DR   GO; GO:1902282; F:voltage-gated potassium channel activity involved in ventricular cardiac muscle cell action potential repolarization; IMP:BHF-UCL.
DR   GO; GO:0060048; P:cardiac muscle contraction; IMP:BHF-UCL.
DR   GO; GO:0071466; P:cellular response to xenobiotic stimulus; IDA:BHF-UCL.
DR   GO; GO:0086010; P:membrane depolarization during action potential; IDA:BHF-UCL.
DR   GO; GO:0086009; P:membrane repolarization; IMP:UniProtKB.
DR   GO; GO:0086011; P:membrane repolarization during action potential; IDA:BHF-UCL.
DR   GO; GO:0086013; P:membrane repolarization during cardiac muscle cell action potential; IMP:BHF-UCL.
DR   GO; GO:0098915; P:membrane repolarization during ventricular cardiac muscle cell action potential; IMP:BHF-UCL.
DR   GO; GO:1903765; P:negative regulation of potassium ion export across plasma membrane; IDA:BHF-UCL.
DR   GO; GO:1901380; P:negative regulation of potassium ion transmembrane transport; IDA:BHF-UCL.
DR   GO; GO:0045893; P:positive regulation of DNA-templated transcription; IMP:ARUK-UCL.
DR   GO; GO:1901381; P:positive regulation of potassium ion transmembrane transport; IDA:BHF-UCL.
DR   GO; GO:0097623; P:potassium ion export across plasma membrane; IDA:BHF-UCL.
DR   GO; GO:0055075; P:potassium ion homeostasis; IDA:BHF-UCL.
DR   GO; GO:1990573; P:potassium ion import across plasma membrane; IDA:BHF-UCL.
DR   GO; GO:0071805; P:potassium ion transmembrane transport; IDA:BHF-UCL.
DR   GO; GO:0086091; P:regulation of heart rate by cardiac conduction; IMP:BHF-UCL.
DR   GO; GO:0003064; P:regulation of heart rate by hormone; TAS:BHF-UCL.
DR   GO; GO:0042391; P:regulation of membrane potential; IDA:BHF-UCL.
DR   GO; GO:0060306; P:regulation of membrane repolarization; IDA:BHF-UCL.
DR   GO; GO:1901379; P:regulation of potassium ion transmembrane transport; IDA:BHF-UCL.
DR   GO; GO:0060307; P:regulation of ventricular cardiac muscle cell membrane repolarization; IMP:BHF-UCL.
DR   GO; GO:0086005; P:ventricular cardiac muscle cell action potential; IMP:BHF-UCL.
DR   CDD; cd00038; CAP_ED; 1.
DR   CDD; cd00130; PAS; 1.
DR   Gene3D; 1.10.1200.260; -; 1.
DR   Gene3D; 1.10.287.70; -; 1.
DR   Gene3D; 2.60.120.10; Jelly Rolls; 1.
DR   Gene3D; 3.30.450.20; PAS domain; 1.
DR   InterPro; IPR000595; cNMP-bd_dom.
DR   InterPro; IPR018490; cNMP-bd_dom_sf.
DR   InterPro; IPR005821; Ion_trans_dom.
DR   InterPro; IPR003938; K_chnl_volt-dep_EAG/ELK/ERG.
DR   InterPro; IPR003967; K_chnl_volt-dep_ERG.
DR   InterPro; IPR001610; PAC.
DR   InterPro; IPR000014; PAS.
DR   InterPro; IPR000700; PAS-assoc_C.
DR   InterPro; IPR035965; PAS-like_dom_sf.
DR   InterPro; IPR014710; RmlC-like_jellyroll.
DR   NCBIfam; TIGR00229; sensory_box; 1.
DR   PANTHER; PTHR10217:SF506; POTASSIUM VOLTAGE-GATED CHANNEL SUBFAMILY H MEMBER 2; 1.
DR   PANTHER; PTHR10217; VOLTAGE AND LIGAND GATED POTASSIUM CHANNEL; 1.
DR   Pfam; PF00027; cNMP_binding; 1.
DR   Pfam; PF00520; Ion_trans; 1.
DR   Pfam; PF13426; PAS_9; 1.
DR   PRINTS; PR01463; EAGCHANLFMLY.
DR   PRINTS; PR01470; ERGCHANNEL.
DR   SMART; SM00100; cNMP; 1.
DR   SMART; SM00086; PAC; 1.
DR   SUPFAM; SSF51206; cAMP-binding domain-like; 1.
DR   SUPFAM; SSF55785; PYP-like sensor domain (PAS domain); 1.
DR   SUPFAM; SSF81324; Voltage-gated potassium channels; 1.
DR   PROSITE; PS50042; CNMP_BINDING_3; 1.
DR   PROSITE; PS50113; PAC; 1.
DR   PROSITE; PS50112; PAS; 1.
PE   1: Evidence at protein level;
KW   3D-structure; Alternative splicing; Cell membrane; Deafness;
KW   Disease variant; Glycoprotein; Ion channel; Ion transport;
KW   Long QT syndrome; Membrane; Methylation; Phosphoprotein; Potassium;
KW   Potassium channel; Potassium transport; Reference proteome;
KW   Short QT syndrome; Transmembrane; Transmembrane helix; Transport;
KW   Voltage-gated channel.
FT   CHAIN           1..1159
FT                   /note="Potassium voltage-gated channel subfamily H member
FT                   2"
FT                   /id="PRO_0000053999"
FT   TOPO_DOM        1..403
FT                   /note="Cytoplasmic"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        404..424
FT                   /note="Helical; Name=Segment S1"
FT                   /evidence="ECO:0000255"
FT   TOPO_DOM        425..450
FT                   /note="Extracellular"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        451..471
FT                   /note="Helical; Name=Segment S2"
FT                   /evidence="ECO:0000255"
FT   TOPO_DOM        472..495
FT                   /note="Cytoplasmic"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        496..516
FT                   /note="Helical; Name=Segment S3"
FT                   /evidence="ECO:0000255"
FT   TOPO_DOM        517..520
FT                   /note="Extracellular"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        521..541
FT                   /note="Helical; Voltage-sensor; Name=Segment S4"
FT                   /evidence="ECO:0000255"
FT   TOPO_DOM        542..547
FT                   /note="Cytoplasmic"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        548..568
FT                   /note="Helical; Name=Segment S5"
FT                   /evidence="ECO:0000255"
FT   TOPO_DOM        569..611
FT                   /note="Extracellular"
FT                   /evidence="ECO:0000255"
FT   INTRAMEM        612..632
FT                   /note="Pore-forming; Name=Segment H5"
FT                   /evidence="ECO:0000255"
FT   TOPO_DOM        633..638
FT                   /note="Extracellular"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        639..659
FT                   /note="Helical; Name=Segment S6"
FT                   /evidence="ECO:0000255"
FT   TOPO_DOM        660..1159
FT                   /note="Cytoplasmic"
FT                   /evidence="ECO:0000255"
FT   DOMAIN          41..70
FT                   /note="PAS"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00140"
FT   DOMAIN          92..144
FT                   /note="PAC"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00141"
FT   REGION          231..314
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   REGION          870..982
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   REGION          1015..1038
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   REGION          1119..1159
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   MOTIF           624..629
FT                   /note="Selectivity filter"
FT                   /evidence="ECO:0000250"
FT   COMPBIAS        254..279
FT                   /note="Polar residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COMPBIAS        930..947
FT                   /note="Polar residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   BINDING         742..842
FT                   /ligand="a nucleoside 3',5'-cyclic phosphate"
FT                   /ligand_id="ChEBI:CHEBI:58464"
FT   MOD_RES         239
FT                   /note="Phosphoserine"
FT                   /evidence="ECO:0007744|PubMed:23186163"
FT   MOD_RES         243
FT                   /note="Phosphoserine"
FT                   /evidence="ECO:0000250|UniProtKB:O35219"
FT   MOD_RES         283
FT                   /note="Phosphoserine"
FT                   /evidence="ECO:0000250|UniProtKB:O35219"
FT   MOD_RES         284
FT                   /note="Phosphoserine"
FT                   /evidence="ECO:0000250|UniProtKB:O35219"
FT   MOD_RES         320
FT                   /note="Phosphoserine"
FT                   /evidence="ECO:0007744|PubMed:19690332,
FT                   ECO:0007744|PubMed:23186163"
FT   MOD_RES         351
FT                   /note="Phosphoserine"
FT                   /evidence="ECO:0000250|UniProtKB:O08962"
FT   MOD_RES         871
FT                   /note="Phosphoserine"
FT                   /evidence="ECO:0007744|PubMed:23186163"
FT   MOD_RES         874
FT                   /note="Phosphoserine"
FT                   /evidence="ECO:0000250|UniProtKB:O35219"
FT   MOD_RES         1014
FT                   /note="Omega-N-methylarginine"
FT                   /evidence="ECO:0000250|UniProtKB:O35219"
FT   MOD_RES         1137
FT                   /note="Phosphoserine"
FT                   /evidence="ECO:0007744|PubMed:23186163"
FT   CARBOHYD        598
FT                   /note="N-linked (GlcNAc...) asparagine"
FT                   /evidence="ECO:0000269|PubMed:12063277"
FT   VAR_SEQ         1..376
FT                   /note="MPVRRGHVAPQNTFLDTIIRKFEGQSRKFIIANARVENCAVIYCNDGFCELC
FT                   GYSRAEVMQRPCTCDFLHGPRTQRRAAAQIAQALLGAEERKVEIAFYRKDGSCFLCLVD
FT                   VVPVKNEDGAVIMFILNFEVVMEKDMVGSPAHDTNHRGPPTSWLAPGRAKTFRLKLPAL
FT                   LALTARESSVRSGGAGGAGAPGAVVVDVDLTPAAPSSESLALDEVTAMDNHVAGLGPAE
FT                   ERRALVGPGSPPRSAPGQLPSPRAHSLNPDASGSSCSLARTRSRESCASVRRASSADDI
FT                   EAMRAGVLPPPPRHASTGAMHPLRSGLLNSTSDSDLVRYRTISKIPQITLNFVDLKGDP
FT                   FLASPTSDREIIAPKIKERTHNVTEKVTQ -> MAAPAGKASRTGALRPRAQKGRVRRA
FT                   VRISSLVAQE (in isoform B)"
FT                   /evidence="ECO:0000303|PubMed:12431979,
FT                   ECO:0000303|PubMed:9351446, ECO:0000303|PubMed:9351462"
FT                   /id="VSP_000965"
FT   VAR_SEQ         1..102
FT                   /note="MPVRRGHVAPQNTFLDTIIRKFEGQSRKFIIANARVENCAVIYCNDGFCELC
FT                   GYSRAEVMQRPCTCDFLHGPRTQRRAAAQIAQALLGAEERKVEIAFYRKD -> MSSHS
FT                   A (in isoform 3.1)"
FT                   /evidence="ECO:0000303|PubMed:19412172"
FT                   /id="VSP_047877"
FT   VAR_SEQ         1..36
FT                   /note="MPVRRGHVAPQNTFLDTIIRKFEGQSRKFIIANARV -> MAAPAGKASRTG
FT                   ALRPRAQKGRVRRAVRISSLVAQE (in isoform B-USO)"
FT                   /evidence="ECO:0000303|PubMed:18559421"
FT                   /id="VSP_047878"
FT   VAR_SEQ         37..376
FT                   /note="Missing (in isoform B-USO)"
FT                   /evidence="ECO:0000303|PubMed:18559421"
FT                   /id="VSP_047879"
FT   VAR_SEQ         139..195
FT                   /note="Missing (in isoform 4)"
FT                   /evidence="ECO:0000303|PubMed:15489334"
FT                   /id="VSP_000966"
FT   VAR_SEQ         801..888
FT                   /note="KNDIFGEPLNLYARPGKSNGDVRALTYCDLHKIHRDDLLEVLDMYPEFSDHF
FT                   WSSLEITFNLRDTNMIPGSPGSTELEGGFSRQRKRK -> MGWGAGTGLEMPSAASRGA
FT                   SLLNMQSLGLWTWDCLQGHWAPLIHLNSGPPSGAMERSPTWGEAAELWGSHILLPFRIR
FT                   HKQTLFASLK (in isoform A-USO and isoform B-USO)"
FT                   /evidence="ECO:0000303|PubMed:11374908,
FT                   ECO:0000303|PubMed:18559421, ECO:0000303|PubMed:9765245"
FT                   /id="VSP_047880"
FT   VAR_SEQ         889..1159
FT                   /note="Missing (in isoform A-USO and isoform B-USO)"
FT                   /evidence="ECO:0000303|PubMed:11374908,
FT                   ECO:0000303|PubMed:18559421, ECO:0000303|PubMed:9765245"
FT                   /id="VSP_047881"
FT   VARIANT         16
FT                   /note="D -> A (in LQT2; uncertain significance;
FT                   dbSNP:rs199472825)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074765"
FT   VARIANT         20
FT                   /note="R -> G (in LQT2; uncertain significance;
FT                   dbSNP:rs199473486)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074766"
FT   VARIANT         26
FT                   /note="S -> I (in LQT2; dbSNP:rs199472827)"
FT                   /evidence="ECO:0000269|PubMed:15840476"
FT                   /id="VAR_068249"
FT   VARIANT         29
FT                   /note="F -> L (in LQT2; dbSNP:rs199472830)"
FT                   /evidence="ECO:0000269|PubMed:10187793,
FT                   ECO:0000269|PubMed:15840476, ECO:0000269|PubMed:19716085"
FT                   /id="VAR_008907"
FT   VARIANT         30
FT                   /note="I -> T (in LQT2; uncertain significance;
FT                   dbSNP:rs199472832)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074767"
FT   VARIANT         31
FT                   /note="I -> S (in LQT2; dbSNP:rs199472833)"
FT                   /evidence="ECO:0000269|PubMed:15840476"
FT                   /id="VAR_068250"
FT   VARIANT         32
FT                   /note="A -> T (in LQT2; uncertain significance;
FT                   dbSNP:rs199472834)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074768"
FT   VARIANT         33
FT                   /note="N -> T (in LQT2; dbSNP:rs199473487)"
FT                   /evidence="ECO:0000269|PubMed:10187793"
FT                   /id="VAR_008908"
FT   VARIANT         41
FT                   /note="V -> F (in LQT2; uncertain significance;
FT                   dbSNP:rs199472835)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074769"
FT   VARIANT         43
FT                   /note="Y -> C (in LQT2; uncertain significance;
FT                   dbSNP:rs199472836)"
FT                   /evidence="ECO:0000269|PubMed:16414944"
FT                   /id="VAR_074770"
FT   VARIANT         45
FT                   /note="N -> Y (in LQT2; uncertain significance;
FT                   dbSNP:rs199472839)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074771"
FT   VARIANT         47
FT                   /note="G -> V (in LQT2; dbSNP:rs199473490)"
FT                   /id="VAR_009909"
FT   VARIANT         49
FT                   /note="C -> Y (in LQT2; uncertain significance;
FT                   dbSNP:rs199472840)"
FT                   /evidence="ECO:0000269|PubMed:16414944"
FT                   /id="VAR_074772"
FT   VARIANT         53
FT                   /note="G -> D (in LQT2; uncertain significance;
FT                   dbSNP:rs199473491)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074773"
FT   VARIANT         53
FT                   /note="G -> R (in LQT2; dbSNP:rs199472842)"
FT                   /evidence="ECO:0000269|PubMed:10187793,
FT                   ECO:0000269|PubMed:15840476"
FT                   /id="VAR_008909"
FT   VARIANT         54
FT                   /note="Y -> H (in LQT2; uncertain significance;
FT                   dbSNP:rs199472843)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074774"
FT   VARIANT         55
FT                   /note="S -> L (in LQT2; dbSNP:rs199472844)"
FT                   /evidence="ECO:0000269|PubMed:15840476"
FT                   /id="VAR_068251"
FT   VARIANT         56
FT                   /note="R -> Q (in LQT2; dbSNP:rs199472845)"
FT                   /evidence="ECO:0000269|PubMed:10187793"
FT                   /id="VAR_008910"
FT   VARIANT         57
FT                   /note="A -> P (in LQT2; uncertain significance;
FT                   dbSNP:rs199472846)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074775"
FT   VARIANT         58
FT                   /note="E -> A (in LQT2; uncertain significance;
FT                   dbSNP:rs199472847)"
FT                   /evidence="ECO:0000269|PubMed:16414944"
FT                   /id="VAR_074776"
FT   VARIANT         58
FT                   /note="E -> D (in LQT2; uncertain significance;
FT                   dbSNP:rs199473492)"
FT                   /evidence="ECO:0000269|PubMed:16414944"
FT                   /id="VAR_074777"
FT   VARIANT         58
FT                   /note="E -> G (in LQT2; uncertain significance;
FT                   dbSNP:rs199472847)"
FT                   /evidence="ECO:0000269|PubMed:16414944"
FT                   /id="VAR_074778"
FT   VARIANT         64
FT                   /note="C -> W (in LQT2; uncertain significance;
FT                   dbSNP:rs199473414)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074779"
FT   VARIANT         64
FT                   /note="C -> Y (in LQT2; decreased protein stability;
FT                   dbSNP:rs199473415)"
FT                   /evidence="ECO:0000269|PubMed:27916661"
FT                   /id="VAR_077953"
FT   VARIANT         65
FT                   /note="T -> P (in LQT2; decreased protein stability;
FT                   dbSNP:rs121912511)"
FT                   /evidence="ECO:0000269|PubMed:12354768,
FT                   ECO:0000269|PubMed:15840476, ECO:0000269|PubMed:27916661"
FT                   /id="VAR_014371"
FT   VARIANT         66
FT                   /note="C -> G (in LQT2; dbSNP:rs199473416)"
FT                   /evidence="ECO:0000269|PubMed:10187793"
FT                   /id="VAR_008911"
FT   VARIANT         68
FT                   /note="F -> L (in LQT2; uncertain significance;
FT                   dbSNP:rs199473417)"
FT                   /evidence="ECO:0000269|PubMed:16414944"
FT                   /id="VAR_074780"
FT   VARIANT         70
FT                   /note="H -> N (in LQT2; uncertain significance;
FT                   dbSNP:rs199473418)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074781"
FT   VARIANT         70
FT                   /note="H -> R (in LQT2; dbSNP:rs199473419)"
FT                   /evidence="ECO:0000269|PubMed:10187793,
FT                   ECO:0000269|PubMed:15840476, ECO:0000269|PubMed:19716085"
FT                   /id="VAR_008912"
FT   VARIANT         71
FT                   /note="G -> R (in LQT2; uncertain significance;
FT                   dbSNP:rs199473420)"
FT                   /evidence="ECO:0000269|PubMed:16414944"
FT                   /id="VAR_074782"
FT   VARIANT         72..80
FT                   /note="PRTQRRAAA -> RPV (in LQT2; uncertain significance)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074783"
FT   VARIANT         72
FT                   /note="P -> L (in LQT2; uncertain significance;
FT                   dbSNP:rs199473421)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074784"
FT   VARIANT         72
FT                   /note="P -> Q (in LQT2; uncertain significance;
FT                   dbSNP:rs199473421)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_009910"
FT   VARIANT         74
FT                   /note="T -> M (in LQT2; dbSNP:rs199473422)"
FT                   /evidence="ECO:0000269|PubMed:16414944,
FT                   ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074785"
FT   VARIANT         74
FT                   /note="T -> P (in LQT2; uncertain significance;
FT                   dbSNP:rs199473666)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074786"
FT   VARIANT         74
FT                   /note="T -> R (in LQT2; uncertain significance;
FT                   dbSNP:rs199473422)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074787"
FT   VARIANT         78
FT                   /note="A -> P (in LQT2; dbSNP:rs199472848)"
FT                   /evidence="ECO:0000269|PubMed:10187793,
FT                   ECO:0000269|PubMed:15840476"
FT                   /id="VAR_008913"
FT   VARIANT         85
FT                   /note="A -> V (in LQT2; dbSNP:rs199473494)"
FT                   /evidence="ECO:0000269|PubMed:15840476,
FT                   ECO:0000269|PubMed:19716085"
FT                   /id="VAR_068252"
FT   VARIANT         86
FT                   /note="L -> P (in LQT2; uncertain significance;
FT                   dbSNP:rs199472851)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074788"
FT   VARIANT         86
FT                   /note="L -> R (in LQT2; dbSNP:rs199472851)"
FT                   /evidence="ECO:0000269|PubMed:10187793"
FT                   /id="VAR_008914"
FT   VARIANT         94
FT                   /note="V -> G (in LQT2; uncertain significance;
FT                   dbSNP:rs199472852)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074789"
FT   VARIANT         100
FT                   /note="R -> G (in LQT2; digenic; the patient also carries
FT                   mutation N-1819 on SCN5A; dbSNP:rs121912515)"
FT                   /evidence="ECO:0000269|PubMed:16922724"
FT                   /id="VAR_036669"
FT   VARIANT         100
FT                   /note="R -> Q (in LQT2; dbSNP:rs199472855)"
FT                   /evidence="ECO:0000269|PubMed:15840476,
FT                   ECO:0000269|PubMed:19716085"
FT                   /id="VAR_068253"
FT   VARIANT         100
FT                   /note="R -> W (in LQT2; uncertain significance;
FT                   dbSNP:rs121912515)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074790"
FT   VARIANT         102
FT                   /note="D -> A (in LQT2; uncertain significance;
FT                   dbSNP:rs199472857)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074791"
FT   VARIANT         106
FT                   /note="F -> Y (in LQT2; uncertain significance;
FT                   dbSNP:rs199472858)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074792"
FT   VARIANT         108
FT                   /note="C -> R (in LQT2; uncertain significance;
FT                   dbSNP:rs199472859)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074793"
FT   VARIANT         114
FT                   /note="P -> S (in LQT2; uncertain significance;
FT                   dbSNP:rs199472861)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074794"
FT   VARIANT         125
FT                   /note="F -> C (in LQT2; uncertain significance;
FT                   dbSNP:rs199473499)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074795"
FT   VARIANT         141
FT                   /note="P -> L (in LQT2; uncertain significance;
FT                   dbSNP:rs199472864)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074796"
FT   VARIANT         149
FT                   /note="G -> A (in LQT2; uncertain significance;
FT                   dbSNP:rs199472865)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074797"
FT   VARIANT         164
FT                   /note="R -> H (in LQT2; uncertain significance;
FT                   dbSNP:rs199472866)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074798"
FT   VARIANT         176
FT                   /note="R -> W (in LQT2; dbSNP:rs36210422)"
FT                   /evidence="ECO:0000269|PubMed:10862094"
FT                   /id="VAR_008915"
FT   VARIANT         181
FT                   /note="R -> Q (in dbSNP:rs41308954)"
FT                   /id="VAR_036670"
FT   VARIANT         189
FT                   /note="G -> GGAG"
FT                   /evidence="ECO:0000269|PubMed:10790218"
FT                   /id="VAR_014372"
FT   VARIANT         218
FT                   /note="M -> V (in LQT2; uncertain significance;
FT                   dbSNP:rs199472869)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074799"
FT   VARIANT         238
FT                   /note="G -> S (in LQT2; dbSNP:rs199473501)"
FT                   /evidence="ECO:0000269|PubMed:15840476"
FT                   /id="VAR_068254"
FT   VARIANT         242
FT                   /note="R -> G (in LQT2; uncertain significance;
FT                   dbSNP:rs199472872)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074800"
FT   VARIANT         251
FT                   /note="P -> S (in LQT2; uncertain significance;
FT                   dbSNP:rs199472873)"
FT                   /evidence="ECO:0000269|PubMed:16414944"
FT                   /id="VAR_074801"
FT   VARIANT         259
FT                   /note="D -> N (in LQT2; uncertain significance;
FT                   dbSNP:rs199472876)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074802"
FT   VARIANT         277
FT                   /note="A -> D (in LQT2; uncertain significance;
FT                   dbSNP:rs199472878)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074803"
FT   VARIANT         291
FT                   /note="M -> T (in LQT2; uncertain significance;
FT                   dbSNP:rs199472881)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074804"
FT   VARIANT         301
FT                   /note="R -> L (in LQT2; uncertain significance;
FT                   dbSNP:rs199472883)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074805"
FT   VARIANT         306
FT                   /note="G -> W (in LQT2; dbSNP:rs199472884)"
FT                   /evidence="ECO:0000269|PubMed:15840476"
FT                   /id="VAR_068255"
FT   VARIANT         312
FT                   /note="R -> C (in LQT2; uncertain significance;
FT                   dbSNP:rs199472885)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_009911"
FT   VARIANT         314
FT                   /note="G -> S (in LQT2; uncertain significance;
FT                   dbSNP:rs199473504)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074806"
FT   VARIANT         320
FT                   /note="S -> L (in LQT2; dbSNP:rs199472886)"
FT                   /evidence="ECO:0000269|PubMed:15840476"
FT                   /id="VAR_068256"
FT   VARIANT         323
FT                   /note="D -> N (in LQT2; uncertain significance;
FT                   dbSNP:rs199472887)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074807"
FT   VARIANT         328
FT                   /note="R -> C (in LQT2; dbSNP:rs199473505)"
FT                   /evidence="ECO:0000269|PubMed:15840476,
FT                   ECO:0000269|PubMed:19716085"
FT                   /id="VAR_068257"
FT   VARIANT         347
FT                   /note="P -> S (in LQT2; dbSNP:rs138776684)"
FT                   /id="VAR_009912"
FT   VARIANT         402
FT                   /note="H -> R (in LQT2; uncertain significance;
FT                   dbSNP:rs199473506)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074808"
FT   VARIANT         410
FT                   /note="W -> S (in LQT2; uncertain significance;
FT                   dbSNP:rs199472892)"
FT                   /evidence="ECO:0000269|PubMed:16414944"
FT                   /id="VAR_074809"
FT   VARIANT         413
FT                   /note="L -> P (in LQT2; dbSNP:rs199472893)"
FT                   /evidence="ECO:0000269|PubMed:12442276"
FT                   /id="VAR_074684"
FT   VARIANT         420
FT                   /note="Y -> C (in LQT2; dbSNP:rs199473507)"
FT                   /evidence="ECO:0000269|PubMed:15840476"
FT                   /id="VAR_068258"
FT   VARIANT         421
FT                   /note="T -> M (in LQT2; dbSNP:rs199472894)"
FT                   /evidence="ECO:0000269|PubMed:15840476,
FT                   ECO:0000269|PubMed:19716085"
FT                   /id="VAR_068259"
FT   VARIANT         422
FT                   /note="A -> T (in LQT2; dbSNP:rs199472895)"
FT                   /evidence="ECO:0000269|PubMed:15840476"
FT                   /id="VAR_068260"
FT   VARIANT         426
FT                   /note="P -> H (in LQT2; uncertain significance;
FT                   dbSNP:rs199472896)"
FT                   /evidence="ECO:0000269|PubMed:16414944"
FT                   /id="VAR_074810"
FT   VARIANT         427
FT                   /note="Y -> C (in LQT2; uncertain significance;
FT                   dbSNP:rs199472897)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074811"
FT   VARIANT         427
FT                   /note="Y -> H (in LQT2; dbSNP:rs199472898)"
FT                   /evidence="ECO:0000269|PubMed:16414944,
FT                   ECO:0000269|PubMed:16922724"
FT                   /id="VAR_074812"
FT   VARIANT         427
FT                   /note="Y -> S (in LQT2; dbSNP:rs199472897)"
FT                   /evidence="ECO:0000269|PubMed:15840476"
FT                   /id="VAR_068261"
FT   VARIANT         428
FT                   /note="S -> L (in LQT2; uncertain significance;
FT                   dbSNP:rs199472899)"
FT                   /evidence="ECO:0000269|PubMed:16414944"
FT                   /id="VAR_074813"
FT   VARIANT         431
FT                   /note="F -> L (in LQT2; uncertain significance;
FT                   dbSNP:rs199472900)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074814"
FT   VARIANT         436
FT                   /note="T -> M (in LQT2; dbSNP:rs199472901)"
FT                   /id="VAR_008916"
FT   VARIANT         440
FT                   /note="P -> L (in LQT2; uncertain significance;
FT                   dbSNP:rs199473509)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074815"
FT   VARIANT         444
FT                   /note="E -> D (in LQT2; dbSNP:rs9770044)"
FT                   /evidence="ECO:0000269|PubMed:12442276"
FT                   /id="VAR_074685"
FT   VARIANT         451
FT                   /note="P -> L (in LQT2; dbSNP:rs199472902)"
FT                   /evidence="ECO:0000269|PubMed:10862094,
FT                   ECO:0000269|PubMed:19716085"
FT                   /id="VAR_014373"
FT   VARIANT         456
FT                   /note="D -> Y (in LQT2; dbSNP:rs199473510)"
FT                   /evidence="ECO:0000269|PubMed:15840476"
FT                   /id="VAR_068262"
FT   VARIANT         460
FT                   /note="D -> Y (in LQT2; uncertain significance;
FT                   dbSNP:rs199472903)"
FT                   /evidence="ECO:0000269|PubMed:16414944"
FT                   /id="VAR_074816"
FT   VARIANT         466
FT                   /note="D -> Y (in LQT2; uncertain significance;
FT                   dbSNP:rs199473511)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074817"
FT   VARIANT         470
FT                   /note="N -> D (in LQT2; aberrant protein folding increases
FT                   the association of mutant KCNH2 with CANX and results in
FT                   defective protein trafficking; dbSNP:rs121912505)"
FT                   /evidence="ECO:0000269|PubMed:16361248,
FT                   ECO:0000269|PubMed:7889573"
FT                   /id="VAR_008578"
FT   VARIANT         473
FT                   /note="T -> N (in LQT2; uncertain significance;
FT                   dbSNP:rs199472905)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074818"
FT   VARIANT         474
FT                   /note="T -> I (in LQT2; dbSNP:rs199472906)"
FT                   /evidence="ECO:0000269|PubMed:9024139"
FT                   /id="VAR_008917"
FT   VARIANT         475
FT                   /note="Y -> C (in LQT2; uncertain significance;
FT                   dbSNP:rs199472907)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074819"
FT   VARIANT         475
FT                   /note="Missing (in LQT2; dbSNP:rs794728437)"
FT                   /evidence="ECO:0000269|PubMed:15840476"
FT                   /id="VAR_068263"
FT   VARIANT         476
FT                   /note="V -> I (in LQT2; uncertain significance;
FT                   dbSNP:rs199472908)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074820"
FT   VARIANT         490
FT                   /note="A -> T (in LQT2; bradycardia-induced;
FT                   dbSNP:rs28928905)"
FT                   /evidence="ECO:0000269|PubMed:11170080,
FT                   ECO:0000269|PubMed:19716085"
FT                   /id="VAR_036671"
FT   VARIANT         493
FT                   /note="Y -> C (in LQT2; uncertain significance;
FT                   dbSNP:rs199472911)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074821"
FT   VARIANT         493
FT                   /note="Y -> S (in LQT2; uncertain significance;
FT                   dbSNP:rs199472911)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074822"
FT   VARIANT         500..508
FT                   /note="Missing (in LQT2)"
FT                   /id="VAR_009178"
FT   VARIANT         501
FT                   /note="D -> H (in LQT2; uncertain significance;
FT                   dbSNP:rs199472912)"
FT                   /evidence="ECO:0000269|PubMed:16414944"
FT                   /id="VAR_074823"
FT   VARIANT         501
FT                   /note="D -> N (in LQT2; uncertain significance;
FT                   dbSNP:rs199472912)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074824"
FT   VARIANT         525
FT                   /note="K -> N (in LQT2; located on the same allele as Pro-
FT                   528; dbSNP:rs199472913)"
FT                   /evidence="ECO:0000269|PubMed:16922724"
FT                   /id="VAR_036672"
FT   VARIANT         528
FT                   /note="R -> P (in LQT2; located on the same allele as Asn-
FT                   525; dbSNP:rs199472914)"
FT                   /evidence="ECO:0000269|PubMed:16922724"
FT                   /id="VAR_036673"
FT   VARIANT         531
FT                   /note="R -> Q (in LQT2; dbSNP:rs199473515)"
FT                   /id="VAR_009913"
FT   VARIANT         531
FT                   /note="R -> W (in LQT2; uncertain significance;
FT                   dbSNP:rs199472915)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074825"
FT   VARIANT         534
FT                   /note="R -> C (in LQT2; dbSNP:rs199472916)"
FT                   /evidence="ECO:0000269|PubMed:15840476,
FT                   ECO:0000269|PubMed:19716085, ECO:0000269|PubMed:9600240"
FT                   /id="VAR_008579"
FT   VARIANT         534
FT                   /note="R -> L (in LQT2; dbSNP:rs199473516)"
FT                   /evidence="ECO:0000269|PubMed:16414944,
FT                   ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074826"
FT   VARIANT         552
FT                   /note="L -> S (in LQT2; dbSNP:rs199472918)"
FT                   /evidence="ECO:0000269|PubMed:15840476,
FT                   ECO:0000269|PubMed:19716085"
FT                   /id="VAR_008918"
FT   VARIANT         558
FT                   /note="A -> E (in LQT2; uncertain significance;
FT                   dbSNP:rs199472919)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074827"
FT   VARIANT         558
FT                   /note="A -> P (in LQT2; dbSNP:rs121912516)"
FT                   /evidence="ECO:0000269|PubMed:10220144"
FT                   /id="VAR_008919"
FT   VARIANT         559
FT                   /note="L -> H (in LQT2; dbSNP:rs199472920)"
FT                   /evidence="ECO:0000269|PubMed:12442276"
FT                   /id="VAR_074686"
FT   VARIANT         561
FT                   /note="A -> T (in LQT2; dbSNP:rs199472921)"
FT                   /evidence="ECO:0000269|PubMed:15840476,
FT                   ECO:0000269|PubMed:19716085, ECO:0000269|PubMed:8877771"
FT                   /id="VAR_014374"
FT   VARIANT         561
FT                   /note="A -> V (in LQT2; the mutation reduces wild-type
FT                   channel expression; dbSNP:rs121912504)"
FT                   /evidence="ECO:0000269|PubMed:10753933,
FT                   ECO:0000269|PubMed:15840476, ECO:0000269|PubMed:19716085,
FT                   ECO:0000269|PubMed:7889573"
FT                   /id="VAR_008580"
FT   VARIANT         562
FT                   /note="H -> P (in LQT2; dbSNP:rs199472922)"
FT                   /evidence="ECO:0000269|PubMed:15840476"
FT                   /id="VAR_068264"
FT   VARIANT         562
FT                   /note="H -> R (in LQT2; uncertain significance;
FT                   dbSNP:rs199472922)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074828"
FT   VARIANT         564
FT                   /note="L -> P (in LQT2; dbSNP:rs199472924)"
FT                   /id="VAR_008920"
FT   VARIANT         565
FT                   /note="A -> T (in LQT2; uncertain significance;
FT                   dbSNP:rs199473518)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074829"
FT   VARIANT         566
FT                   /note="C -> S (in LQT2; uncertain significance;
FT                   dbSNP:rs199472925)"
FT                   /evidence="ECO:0000269|PubMed:16414944"
FT                   /id="VAR_074830"
FT   VARIANT         568
FT                   /note="W -> R (in LQT2; uncertain significance;
FT                   dbSNP:rs199472927)"
FT                   /evidence="ECO:0000269|PubMed:16414944"
FT                   /id="VAR_074831"
FT   VARIANT         569
FT                   /note="Y -> H (in LQT2; dbSNP:rs199473520)"
FT                   /evidence="ECO:0000269|PubMed:10862094"
FT                   /id="VAR_008921"
FT   VARIANT         571
FT                   /note="I -> L (in LQT2; dbSNP:rs199472928)"
FT                   /evidence="ECO:0000269|PubMed:15840476"
FT                   /id="VAR_068265"
FT   VARIANT         571
FT                   /note="I -> V (in LQT2; uncertain significance;
FT                   dbSNP:rs199472928)"
FT                   /evidence="ECO:0000269|PubMed:16414944"
FT                   /id="VAR_074832"
FT   VARIANT         572
FT                   /note="G -> C (in LQT2; dbSNP:rs9333649)"
FT                   /evidence="ECO:0000269|PubMed:9693036"
FT                   /id="VAR_008923"
FT   VARIANT         572
FT                   /note="G -> D (in LQT2; dbSNP:rs199473423)"
FT                   /evidence="ECO:0000269|PubMed:16414944,
FT                   ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074833"
FT   VARIANT         572
FT                   /note="G -> R (in LQT2; severe form; dbSNP:rs9333649)"
FT                   /evidence="ECO:0000269|PubMed:10735633"
FT                   /id="VAR_008922"
FT   VARIANT         572
FT                   /note="G -> S (in LQT2; dbSNP:rs9333649)"
FT                   /evidence="ECO:0000269|PubMed:15840476,
FT                   ECO:0000269|PubMed:19716085"
FT                   /id="VAR_068266"
FT   VARIANT         572
FT                   /note="G -> V (in LQT2; uncertain significance;
FT                   dbSNP:rs199473423)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074834"
FT   VARIANT         582
FT                   /note="R -> C (in LQT2; dbSNP:rs121912508)"
FT                   /evidence="ECO:0000269|PubMed:10220144,
FT                   ECO:0000269|PubMed:15840476, ECO:0000269|PubMed:19716085"
FT                   /id="VAR_008581"
FT   VARIANT         582
FT                   /note="R -> L (in LQT2; uncertain significance;
FT                   dbSNP:rs199473426)"
FT                   /evidence="ECO:0000269|PubMed:16414944"
FT                   /id="VAR_074835"
FT   VARIANT         584
FT                   /note="G -> R (in LQT2; uncertain significance;
FT                   dbSNP:rs199473428)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074836"
FT   VARIANT         584
FT                   /note="G -> S (in LQT2; dbSNP:rs199473428)"
FT                   /evidence="ECO:0000269|PubMed:10862094,
FT                   ECO:0000269|PubMed:15840476, ECO:0000269|PubMed:19716085"
FT                   /id="VAR_008924"
FT   VARIANT         585
FT                   /note="W -> C (in LQT2; uncertain significance;
FT                   dbSNP:rs199473430)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_009914"
FT   VARIANT         588
FT                   /note="N -> D (in LQT2; dbSNP:rs199473431)"
FT                   /evidence="ECO:0000269|PubMed:15840476,
FT                   ECO:0000269|PubMed:9693036"
FT                   /id="VAR_008925"
FT   VARIANT         588
FT                   /note="N -> K (in SQT1; dbSNP:rs104894021)"
FT                   /evidence="ECO:0000269|PubMed:14676148,
FT                   ECO:0000269|PubMed:15828882"
FT                   /id="VAR_023840"
FT   VARIANT         593
FT                   /note="I -> K (in LQT2; uncertain significance;
FT                   dbSNP:rs28928904)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074837"
FT   VARIANT         593
FT                   /note="I -> R (in LQT2; dbSNP:rs28928904)"
FT                   /evidence="ECO:0000269|PubMed:8635257"
FT                   /id="VAR_008582"
FT   VARIANT         593
FT                   /note="I -> T (in LQT2; dbSNP:rs28928904)"
FT                   /id="VAR_009915"
FT   VARIANT         594
FT                   /note="G -> D (in LQT2; uncertain significance;
FT                   dbSNP:rs199472931)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074838"
FT   VARIANT         596
FT                   /note="P -> H (in LQT2; uncertain significance;
FT                   dbSNP:rs199472933)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074839"
FT   VARIANT         596
FT                   /note="P -> L (in LQT2; uncertain significance;
FT                   dbSNP:rs199472933)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074840"
FT   VARIANT         596
FT                   /note="P -> R (in LQT2; dbSNP:rs199472933)"
FT                   /evidence="ECO:0000269|PubMed:15840476"
FT                   /id="VAR_068267"
FT   VARIANT         597
FT                   /note="Y -> C (in LQT2; uncertain significance;
FT                   dbSNP:rs199472934)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074841"
FT   VARIANT         599
FT                   /note="S -> R (in LQT2; uncertain significance;
FT                   dbSNP:rs199472935)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074842"
FT   VARIANT         601
FT                   /note="G -> C (in LQT2; uncertain significance;
FT                   dbSNP:rs199472936)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074843"
FT   VARIANT         601
FT                   /note="G -> S (in LQT2; dbSNP:rs199472936)"
FT                   /evidence="ECO:0000269|PubMed:10862094,
FT                   ECO:0000269|PubMed:19716085, ECO:0000269|PubMed:9452080"
FT                   /id="VAR_008926"
FT   VARIANT         604
FT                   /note="G -> S (in LQT2; dbSNP:rs199473522)"
FT                   /evidence="ECO:0000269|PubMed:10220144,
FT                   ECO:0000269|PubMed:15840476, ECO:0000269|PubMed:19716085"
FT                   /id="VAR_008927"
FT   VARIANT         605
FT                   /note="P -> L (in LQT2; uncertain significance;
FT                   dbSNP:rs199472938)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074844"
FT   VARIANT         605
FT                   /note="P -> S (in LQT2; uncertain significance;
FT                   dbSNP:rs199472939)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074845"
FT   VARIANT         609
FT                   /note="D -> G (in LQT2; uncertain significance;
FT                   dbSNP:rs199472940)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074846"
FT   VARIANT         609
FT                   /note="D -> H (in LQT2; uncertain significance;
FT                   dbSNP:rs199472941)"
FT                   /evidence="ECO:0000269|PubMed:16414944"
FT                   /id="VAR_074847"
FT   VARIANT         609
FT                   /note="D -> N (in LQT2; dbSNP:rs199472941)"
FT                   /id="VAR_009916"
FT   VARIANT         611
FT                   /note="Y -> H (in LQT2; dbSNP:rs199472942)"
FT                   /evidence="ECO:0000269|PubMed:9024139"
FT                   /id="VAR_008928"
FT   VARIANT         612
FT                   /note="V -> L (in LQT2; dbSNP:rs199472943)"
FT                   /evidence="ECO:0000269|PubMed:9544837"
FT                   /id="VAR_008929"
FT   VARIANT         613
FT                   /note="T -> M (in LQT2; dbSNP:rs199473524)"
FT                   /evidence="ECO:0000269|PubMed:10220144,
FT                   ECO:0000269|PubMed:10862094, ECO:0000269|PubMed:15840476,
FT                   ECO:0000269|PubMed:19716085"
FT                   /id="VAR_008930"
FT   VARIANT         614
FT                   /note="A -> V (in LQT2; dbSNP:rs199472944)"
FT                   /evidence="ECO:0000269|PubMed:15840476,
FT                   ECO:0000269|PubMed:19716085, ECO:0000269|PubMed:9024139,
FT                   ECO:0000269|PubMed:9544837, ECO:0000269|PubMed:9693036"
FT                   /id="VAR_008931"
FT   VARIANT         615
FT                   /note="L -> F (in LQT2; uncertain significance;
FT                   dbSNP:rs199472945)"
FT                   /evidence="ECO:0000269|PubMed:16414944"
FT                   /id="VAR_074848"
FT   VARIANT         615
FT                   /note="L -> V (in LQT2; dbSNP:rs199472945)"
FT                   /evidence="ECO:0000269|PubMed:10973849"
FT                   /id="VAR_014375"
FT   VARIANT         616
FT                   /note="Y -> C (in LQT2; uncertain significance;
FT                   dbSNP:rs199472946)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074849"
FT   VARIANT         621
FT                   /note="S -> R (in LQT2; uncertain significance;
FT                   dbSNP:rs199472949)"
FT                   /evidence="ECO:0000269|PubMed:16414944"
FT                   /id="VAR_074850"
FT   VARIANT         622
FT                   /note="L -> F (in LQT2; dbSNP:rs199473525)"
FT                   /evidence="ECO:0000269|PubMed:15840476"
FT                   /id="VAR_068268"
FT   VARIANT         623
FT                   /note="T -> I (in LQT2; dbSNP:rs199472950)"
FT                   /evidence="ECO:0000269|PubMed:15840476"
FT                   /id="VAR_068269"
FT   VARIANT         626
FT                   /note="G -> A (in LQT2; uncertain significance;
FT                   dbSNP:rs199472952)"
FT                   /evidence="ECO:0000269|PubMed:16414944"
FT                   /id="VAR_074851"
FT   VARIANT         626
FT                   /note="G -> D (in LQT2; uncertain significance;
FT                   dbSNP:rs199472952)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074852"
FT   VARIANT         626
FT                   /note="G -> S (in LQT2; dbSNP:rs199472953)"
FT                   /evidence="ECO:0000269|PubMed:10973849"
FT                   /id="VAR_014376"
FT   VARIANT         627
FT                   /note="F -> L (in LQT2; dbSNP:rs199473039)"
FT                   /evidence="ECO:0000269|PubMed:10973849"
FT                   /id="VAR_014377"
FT   VARIANT         628
FT                   /note="G -> S (in LQT2; dbSNP:rs121912507)"
FT                   /evidence="ECO:0000269|PubMed:15840476,
FT                   ECO:0000269|PubMed:19716085, ECO:0000269|PubMed:7889573"
FT                   /id="VAR_008583"
FT   VARIANT         628
FT                   /note="G -> V (in LQT2; dbSNP:rs199472955)"
FT                   /evidence="ECO:0000269|PubMed:15840476"
FT                   /id="VAR_068270"
FT   VARIANT         629
FT                   /note="N -> D (in LQT2; dbSNP:rs199472956)"
FT                   /evidence="ECO:0000269|PubMed:9544837"
FT                   /id="VAR_008932"
FT   VARIANT         629
FT                   /note="N -> I (in LQT2; uncertain significance;
FT                   dbSNP:rs199472957)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074853"
FT   VARIANT         629
FT                   /note="N -> K (in LQT2; dbSNP:rs41307295)"
FT                   /evidence="ECO:0000269|PubMed:10517660"
FT                   /id="VAR_008933"
FT   VARIANT         629
FT                   /note="N -> S (in LQT2; dbSNP:rs199472957)"
FT                   /evidence="ECO:0000269|PubMed:19716085,
FT                   ECO:0000269|PubMed:9544837"
FT                   /id="VAR_009179"
FT   VARIANT         630
FT                   /note="V -> A (in LQT2; dbSNP:rs199473526)"
FT                   /evidence="ECO:0000269|PubMed:15840476,
FT                   ECO:0000269|PubMed:9693036"
FT                   /id="VAR_008935"
FT   VARIANT         630
FT                   /note="V -> L (in LQT2; dbSNP:rs199472958)"
FT                   /evidence="ECO:0000269|PubMed:9024139"
FT                   /id="VAR_008934"
FT   VARIANT         632
FT                   /note="P -> S (in LQT2; dbSNP:rs199473527)"
FT                   /evidence="ECO:0000269|PubMed:10973849"
FT                   /id="VAR_014378"
FT   VARIANT         633
FT                   /note="N -> S (in LQT2; dbSNP:rs199472961)"
FT                   /evidence="ECO:0000269|PubMed:15840476,
FT                   ECO:0000269|PubMed:9544837"
FT                   /id="VAR_008936"
FT   VARIANT         634
FT                   /note="T -> I (in LQT2; uncertain significance;
FT                   dbSNP:rs199472962)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074854"
FT   VARIANT         635
FT                   /note="N -> D (in LQT2; uncertain significance;
FT                   dbSNP:rs199472963)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074855"
FT   VARIANT         635
FT                   /note="N -> I (in LQT2; dbSNP:rs199472964)"
FT                   /evidence="ECO:0000269|PubMed:15840476"
FT                   /id="VAR_068271"
FT   VARIANT         635
FT                   /note="N -> K (in LQT2; uncertain significance;
FT                   dbSNP:rs199472965)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074856"
FT   VARIANT         637
FT                   /note="E -> D (in LQT2; dbSNP:rs199472966)"
FT                   /evidence="ECO:0000269|PubMed:16414944,
FT                   ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074857"
FT   VARIANT         637
FT                   /note="E -> K (in LQT2; dbSNP:rs199472968)"
FT                   /evidence="ECO:0000269|PubMed:12062363"
FT                   /id="VAR_014379"
FT   VARIANT         638
FT                   /note="K -> E (in LQT2; dbSNP:rs199473528)"
FT                   /evidence="ECO:0000269|PubMed:10973849"
FT                   /id="VAR_014380"
FT   VARIANT         638
FT                   /note="K -> N (in LQT2; uncertain significance;
FT                   dbSNP:rs199472969)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074858"
FT   VARIANT         638
FT                   /note="Missing (in LQT2; uncertain significance)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_014381"
FT   VARIANT         640
FT                   /note="F -> L (in LQT2; dbSNP:rs199472970)"
FT                   /evidence="ECO:0000269|PubMed:10220144"
FT                   /id="VAR_008937"
FT   VARIANT         640
FT                   /note="F -> V (in LQT2; dbSNP:rs199473529)"
FT                   /evidence="ECO:0000269|PubMed:15840476"
FT                   /id="VAR_068272"
FT   VARIANT         641
FT                   /note="S -> F (in LQT2; dbSNP:rs199472971)"
FT                   /evidence="ECO:0000269|PubMed:15840476"
FT                   /id="VAR_068273"
FT   VARIANT         644
FT                   /note="V -> F (in LQT2; dbSNP:rs199472972)"
FT                   /evidence="ECO:0000269|PubMed:16414944,
FT                   ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074859"
FT   VARIANT         644
FT                   /note="V -> L (in LQT2; uncertain significance;
FT                   dbSNP:rs199472972)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074860"
FT   VARIANT         645
FT                   /note="M -> I (in LQT2; uncertain significance;
FT                   dbSNP:rs199472973)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074861"
FT   VARIANT         645
FT                   /note="M -> L (in LQT2; dbSNP:rs199472974)"
FT                   /evidence="ECO:0000269|PubMed:10973849"
FT                   /id="VAR_014382"
FT   VARIANT         648
FT                   /note="G -> S (in LQT2; uncertain significance;
FT                   dbSNP:rs199472975)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074862"
FT   VARIANT         656
FT                   /note="F -> C (in LQT2; uncertain significance;
FT                   dbSNP:rs199472977)"
FT                   /evidence="ECO:0000269|PubMed:16414944"
FT                   /id="VAR_074863"
FT   VARIANT         657
FT                   /note="G -> R (in LQT2; uncertain significance;
FT                   dbSNP:rs199472978)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074864"
FT   VARIANT         660
FT                   /note="S -> L (in LQT2; dbSNP:rs199472979)"
FT                   /evidence="ECO:0000269|PubMed:16414944,
FT                   ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074865"
FT   VARIANT         662
FT                   /note="I -> T (in LQT2; uncertain significance;
FT                   dbSNP:rs199472980)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074866"
FT   VARIANT         671..675
FT                   /note="Missing (in LQT2)"
FT                   /evidence="ECO:0000269|PubMed:15840476"
FT                   /id="VAR_068274"
FT   VARIANT         678
FT                   /note="L -> P (in LQT2; uncertain significance;
FT                   dbSNP:rs199472981)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074867"
FT   VARIANT         687
FT                   /note="H -> Y (in LQT2; uncertain significance;
FT                   dbSNP:rs199472982)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074868"
FT   VARIANT         693
FT                   /note="L -> P (in LQT2; uncertain significance;
FT                   dbSNP:rs199472983)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074869"
FT   VARIANT         696
FT                   /note="R -> C (in LQT2; dbSNP:rs199472984)"
FT                   /evidence="ECO:0000269|PubMed:16922724"
FT                   /id="VAR_036674"
FT   VARIANT         696
FT                   /note="R -> P (in LQT2; uncertain significance;
FT                   dbSNP:rs199473531)"
FT                   /evidence="ECO:0000269|PubMed:16414944"
FT                   /id="VAR_074870"
FT   VARIANT         711
FT                   /note="I -> V (in LQT2; uncertain significance;
FT                   dbSNP:rs199473532)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074871"
FT   VARIANT         721
FT                   /note="P -> L (in LQT2; dbSNP:rs199472986)"
FT                   /evidence="ECO:0000269|PubMed:15840476"
FT                   /id="VAR_068275"
FT   VARIANT         728
FT                   /note="I -> F (in LQT2; uncertain significance;
FT                   dbSNP:rs199473533)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074872"
FT   VARIANT         744
FT                   /note="R -> P (in LQT2; impairs channel function; exhibits
FT                   reduced activating currents compared to wild-type; cell
FT                   surface trafficking is not impaired; does not exert
FT                   dominant-negative effects on wild-type channel; the half-
FT                   maximal activation voltage is not significantly affected by
FT                   the mutation)"
FT                   /evidence="ECO:0000269|PubMed:22314138"
FT                   /id="VAR_068276"
FT   VARIANT         749
FT                   /note="G -> V (in LQT2; uncertain significance;
FT                   dbSNP:rs199472989)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074873"
FT   VARIANT         752
FT                   /note="R -> Q (in LQT2; dbSNP:rs121912512)"
FT                   /evidence="ECO:0000269|PubMed:12621127"
FT                   /id="VAR_036675"
FT   VARIANT         752
FT                   /note="R -> W (in LQT2; dbSNP:rs199472990)"
FT                   /evidence="ECO:0000269|PubMed:10973849"
FT                   /id="VAR_014383"
FT   VARIANT         757
FT                   /note="K -> N (in LQT2; uncertain significance;
FT                   dbSNP:rs199472992)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074874"
FT   VARIANT         767
FT                   /note="D -> Y (in LQT2; uncertain significance;
FT                   dbSNP:rs199472993)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074875"
FT   VARIANT         770
FT                   /note="V -> A (in LQT2; uncertain significance;
FT                   dbSNP:rs199472994)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074876"
FT   VARIANT         774
FT                   /note="D -> Y (in LQT2; dbSNP:rs199472995)"
FT                   /evidence="ECO:0000269|PubMed:15840476,
FT                   ECO:0000269|PubMed:19716085"
FT                   /id="VAR_068277"
FT   VARIANT         784
FT                   /note="R -> W (predisposes to LQT2 and torsades de pointes
FT                   while taking the drug amiodarone; in vitro studies
FT                   confirmed a significant reduction in potassium currents;
FT                   the ECG abnormalities reversed on drug withdrawal;
FT                   dbSNP:rs12720441)"
FT                   /evidence="ECO:0000269|PubMed:11997281,
FT                   ECO:0000269|PubMed:15840476"
FT                   /id="VAR_036676"
FT   VARIANT         788
FT                   /note="E -> D (in LQT2; dbSNP:rs199473535)"
FT                   /evidence="ECO:0000269|PubMed:15840476"
FT                   /id="VAR_068278"
FT   VARIANT         788
FT                   /note="E -> K (in LQT2; uncertain significance;
FT                   dbSNP:rs199472997)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074877"
FT   VARIANT         791..799
FT                   /note="Missing (in LQT2; uncertain significance)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074878"
FT   VARIANT         791
FT                   /note="R -> W (in LQT2; uncertain significance;
FT                   dbSNP:rs138498207)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074879"
FT   VARIANT         800
FT                   /note="G -> W (in LQT2; uncertain significance;
FT                   dbSNP:rs199472998)"
FT                   /evidence="ECO:0000269|PubMed:16414944"
FT                   /id="VAR_074880"
FT   VARIANT         805
FT                   /note="F -> C (in LQT2; dbSNP:rs199472999)"
FT                   /evidence="ECO:0000269|PubMed:15840476"
FT                   /id="VAR_014384"
FT   VARIANT         805
FT                   /note="F -> S (in LQT2; dbSNP:rs199472999)"
FT                   /evidence="ECO:0000269|PubMed:10973849"
FT                   /id="VAR_014385"
FT   VARIANT         806
FT                   /note="G -> E (in LQT2; uncertain significance;
FT                   dbSNP:rs199473000)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074881"
FT   VARIANT         818
FT                   /note="S -> L (in LQT2; dbSNP:rs121912510)"
FT                   /evidence="ECO:0000269|PubMed:10086971"
FT                   /id="VAR_008938"
FT   VARIANT         818
FT                   /note="S -> P (in LQT2; uncertain significance;
FT                   dbSNP:rs199473537)"
FT                   /evidence="ECO:0000269|PubMed:16414944"
FT                   /id="VAR_074882"
FT   VARIANT         820
FT                   /note="G -> R (in LQT2; dbSNP:rs199473001)"
FT                   /evidence="ECO:0000269|PubMed:15840476"
FT                   /id="VAR_068279"
FT   VARIANT         822
FT                   /note="V -> M (in LQT2; dbSNP:rs121912506)"
FT                   /evidence="ECO:0000269|PubMed:15840476,
FT                   ECO:0000269|PubMed:19716085, ECO:0000269|PubMed:8914737"
FT                   /id="VAR_008584"
FT   VARIANT         823
FT                   /note="R -> W (in LQT2; uncertain significance;
FT                   dbSNP:rs199473538)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_014386"
FT   VARIANT         837
FT                   /note="D -> G (in LQT2; dbSNP:rs199473004)"
FT                   /evidence="ECO:0000269|PubMed:15840476"
FT                   /id="VAR_068280"
FT   VARIANT         837
FT                   /note="D -> Y (in LQT2; uncertain significance;
FT                   dbSNP:rs199473005)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074883"
FT   VARIANT         846
FT                   /note="P -> S (in LQT2; uncertain significance;
FT                   dbSNP:rs199473006)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074884"
FT   VARIANT         861
FT                   /note="N -> H (in LQT2; uncertain significance;
FT                   dbSNP:rs199473007)"
FT                   /evidence="ECO:0000269|PubMed:16414944"
FT                   /id="VAR_074885"
FT   VARIANT         861
FT                   /note="N -> I (in LQT2; dbSNP:rs121912513)"
FT                   /evidence="ECO:0000269|PubMed:15051636"
FT                   /id="VAR_014387"
FT   VARIANT         885
FT                   /note="R -> C (in LQT2; uncertain significance;
FT                   dbSNP:rs143512106)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074886"
FT   VARIANT         887
FT                   /note="R -> H (in LQT2; dbSNP:rs199473432)"
FT                   /evidence="ECO:0000269|PubMed:15840476"
FT                   /id="VAR_068281"
FT   VARIANT         894
FT                   /note="R -> C (in LQT2; uncertain significance;
FT                   dbSNP:rs199473433)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074887"
FT   VARIANT         894
FT                   /note="R -> L (in LQT2; uncertain significance;
FT                   dbSNP:rs199473668)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074888"
FT   VARIANT         897
FT                   /note="K -> T (in dbSNP:rs1805123)"
FT                   /evidence="ECO:0000269|PubMed:10862094,
FT                   ECO:0000269|PubMed:11997281"
FT                   /id="VAR_014388"
FT   VARIANT         903
FT                   /note="G -> R (in LQT2; uncertain significance;
FT                   dbSNP:rs199473669)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074889"
FT   VARIANT         906
FT                   /note="S -> L (in LQT2; uncertain significance;
FT                   dbSNP:rs199473435)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074890"
FT   VARIANT         913
FT                   /note="A -> V (in LQT2; dbSNP:rs77331749)"
FT                   /evidence="ECO:0000269|PubMed:15840476,
FT                   ECO:0000269|PubMed:19716085"
FT                   /id="VAR_068282"
FT   VARIANT         917
FT                   /note="P -> L (in LQT2; dbSNP:rs76420733)"
FT                   /evidence="ECO:0000269|PubMed:10973849"
FT                   /id="VAR_014389"
FT   VARIANT         920
FT                   /note="R -> Q (in LQT2; uncertain significance;
FT                   dbSNP:rs199473670)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074891"
FT   VARIANT         920
FT                   /note="R -> W (in LQT2; uncertain significance;
FT                   dbSNP:rs199473438)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074892"
FT   VARIANT         922
FT                   /note="R -> Q (in LQT2; uncertain significance;
FT                   dbSNP:rs199473439)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074893"
FT   VARIANT         922
FT                   /note="R -> W (in LQT2; dbSNP:rs199473440)"
FT                   /evidence="ECO:0000269|PubMed:10973849"
FT                   /id="VAR_014390"
FT   VARIANT         924
FT                   /note="G -> A (in LQT2; uncertain significance;
FT                   dbSNP:rs199473009)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074894"
FT   VARIANT         924
FT                   /note="G -> E (in LQT2; uncertain significance;
FT                   dbSNP:rs199473009)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074895"
FT   VARIANT         925
FT                   /note="G -> R (in LQT2; dbSNP:rs199473010)"
FT                   /evidence="ECO:0000269|PubMed:15840476"
FT                   /id="VAR_068283"
FT   VARIANT         937
FT                   /note="S -> N (in LQT2; uncertain significance;
FT                   dbSNP:rs199473540)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074896"
FT   VARIANT         948
FT                   /note="R -> C (in LQT2; dbSNP:rs121912514)"
FT                   /evidence="ECO:0000269|PubMed:16922724"
FT                   /id="VAR_036677"
FT   VARIANT         968
FT                   /note="P -> L (in LQT2; uncertain significance;
FT                   dbSNP:rs199473017)"
FT                   /evidence="ECO:0000269|PubMed:16414944"
FT                   /id="VAR_074897"
FT   VARIANT         983
FT                   /note="T -> I (in LQT2; dbSNP:rs149955375)"
FT                   /evidence="ECO:0000269|PubMed:15840476"
FT                   /id="VAR_068284"
FT   VARIANT         996
FT                   /note="N -> I (in LQT2; dbSNP:rs199473018)"
FT                   /evidence="ECO:0000269|PubMed:15840476"
FT                   /id="VAR_068285"
FT   VARIANT         1005
FT                   /note="R -> Q (in LQT2; uncertain significance;
FT                   dbSNP:rs199473019)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074898"
FT   VARIANT         1007
FT                   /note="R -> H (in LQT2; uncertain significance;
FT                   dbSNP:rs199473542)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074899"
FT   VARIANT         1016
FT                   /note="P -> L (in dbSNP:rs41313074)"
FT                   /id="VAR_036679"
FT   VARIANT         1016
FT                   /note="P -> S (in dbSNP:rs41307280)"
FT                   /id="VAR_036678"
FT   VARIANT         1020
FT                   /note="P -> S (in dbSNP:rs41307274)"
FT                   /id="VAR_036680"
FT   VARIANT         1026
FT                   /note="P -> L (in dbSNP:rs41307271)"
FT                   /id="VAR_036681"
FT   VARIANT         1033
FT                   /note="R -> W (in LQT2; uncertain significance;
FT                   dbSNP:rs199473021)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074900"
FT   VARIANT         1036
FT                   /note="G -> D (in LQT2; dbSNP:rs199473022)"
FT                   /evidence="ECO:0000269|PubMed:15840476"
FT                   /id="VAR_068286"
FT   VARIANT         1038
FT                   /note="V -> M (in LQT2; uncertain significance;
FT                   dbSNP:rs199473544)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074901"
FT   VARIANT         1049
FT                   /note="L -> P (in LQT2; uncertain significance;
FT                   dbSNP:rs199473026)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074902"
FT   VARIANT         1055
FT                   /note="R -> Q (in dbSNP:rs41307270)"
FT                   /id="VAR_036682"
FT   VARIANT         1066
FT                   /note="L -> V (in LQT2; uncertain significance;
FT                   dbSNP:rs199473027)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074903"
FT   VARIANT         1078
FT                   /note="Y -> C (in LQT2; uncertain significance;
FT                   dbSNP:rs199473029)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074904"
FT   VARIANT         1093
FT                   /note="P -> L (in LQT2; uncertain significance;
FT                   dbSNP:rs199473545)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074905"
FT   VARIANT         1115
FT                   /note="M -> V (in LQT2; dbSNP:rs199473546)"
FT                   /evidence="ECO:0000269|PubMed:19716085"
FT                   /id="VAR_074906"
FT   VARIANT         1153
FT                   /note="H -> Y (in LQT2; uncertain significance;
FT                   dbSNP:rs199473035)"
FT                   /evidence="ECO:0000269|PubMed:16414944"
FT                   /id="VAR_074907"
FT   MUTAGEN         29
FT                   /note="F->A: Slows down deactivation."
FT                   /evidence="ECO:0000269|PubMed:9845367"
FT   MUTAGEN         43
FT                   /note="Y->A: Slows down deactivation."
FT                   /evidence="ECO:0000269|PubMed:9845367"
FT   MUTAGEN         283
FT                   /note="S->A: Abolishes phosphorylation; when associated
FT                   with A-890; A-895 and A-1137."
FT                   /evidence="ECO:0000269|PubMed:10837251"
FT   MUTAGEN         598
FT                   /note="N->Q: No effect on cell surface expression, but
FT                   changes inactivation kinetics; when associated with A-631."
FT                   /evidence="ECO:0000269|PubMed:12063277"
FT   MUTAGEN         629
FT                   /note="N->Q: Abolishes cell surface expression; has no
FT                   effect on N-glycosylation."
FT                   /evidence="ECO:0000269|PubMed:12063277"
FT   MUTAGEN         631
FT                   /note="S->A: No effect on cell surface expression, but
FT                   changes inactivation kinetics; when associated with Q-598."
FT                   /evidence="ECO:0000269|PubMed:12063277"
FT   MUTAGEN         890
FT                   /note="S->A: Abolishes phosphorylation; when associated
FT                   with A-283; A-895 and A-1137."
FT                   /evidence="ECO:0000269|PubMed:10837251"
FT   MUTAGEN         895
FT                   /note="T->A: Abolishes phosphorylation; when associated
FT                   with A-283; A-890 and A-1137."
FT                   /evidence="ECO:0000269|PubMed:10837251"
FT   MUTAGEN         1137
FT                   /note="S->A: Abolishes phosphorylation; when associated
FT                   with A-283; A-890 and A-895."
FT                   /evidence="ECO:0000269|PubMed:10837251"
FT   HELIX           15..19
FT                   /evidence="ECO:0007829|PDB:4HP9"
FT   TURN            23..26
FT                   /evidence="ECO:0007829|PDB:2L0W"
FT   STRAND          29..33
FT                   /evidence="ECO:0007829|PDB:4HQA"
FT   STRAND          36..38
FT                   /evidence="ECO:0007829|PDB:1BYW"
FT   STRAND          40..44
FT                   /evidence="ECO:0007829|PDB:4HQA"
FT   HELIX           46..52
FT                   /evidence="ECO:0007829|PDB:4HQA"
FT   HELIX           56..59
FT                   /evidence="ECO:0007829|PDB:4HQA"
FT   HELIX           67..69
FT                   /evidence="ECO:0007829|PDB:4HQA"
FT   HELIX           76..87
FT                   /evidence="ECO:0007829|PDB:4HQA"
FT   STRAND          88..90
FT                   /evidence="ECO:0007829|PDB:4HP9"
FT   STRAND          92..99
FT                   /evidence="ECO:0007829|PDB:4HQA"
FT   STRAND          105..116
FT                   /evidence="ECO:0007829|PDB:4HQA"
FT   STRAND          118..120
FT                   /evidence="ECO:0007829|PDB:4HQA"
FT   STRAND          122..134
FT                   /evidence="ECO:0007829|PDB:4HQA"
FT   TURN            538..540
FT                   /evidence="ECO:0007829|PDB:2LE7"
FT   HELIX           542..549
FT                   /evidence="ECO:0007829|PDB:2LE7"
FT   STRAND          577..580
FT                   /evidence="ECO:0007829|PDB:1UJL"
FT   HELIX           586..593
FT                   /evidence="ECO:0007829|PDB:1UJL"
FT   HELIX           605..610
FT                   /evidence="ECO:0007829|PDB:1UJL"
FT   HELIX           735..739
FT                   /evidence="ECO:0007829|PDB:2N7G"
FT   STRAND          743..745
FT                   /evidence="ECO:0007829|PDB:2N7G"
FT   TURN            748..750
FT                   /evidence="ECO:0007829|PDB:2N7G"
FT   HELIX           751..757
FT                   /evidence="ECO:0007829|PDB:2N7G"
FT   STRAND          759..763
FT                   /evidence="ECO:0007829|PDB:2N7G"
FT   STRAND          768..770
FT                   /evidence="ECO:0007829|PDB:2N7G"
FT   STRAND          778..785
FT                   /evidence="ECO:0007829|PDB:2N7G"
FT   STRAND          787..795
FT                   /evidence="ECO:0007829|PDB:2N7G"
FT   TURN            809..811
FT                   /evidence="ECO:0007829|PDB:2N7G"
FT   STRAND          819..824
FT                   /evidence="ECO:0007829|PDB:2N7G"
FT   STRAND          826..834
FT                   /evidence="ECO:0007829|PDB:2N7G"
FT   HELIX           835..844
FT                   /evidence="ECO:0007829|PDB:2N7G"
FT   HELIX           846..855
FT                   /evidence="ECO:0007829|PDB:2N7G"
FT   STRAND          859..861
FT                   /evidence="ECO:0007829|PDB:2N7G"
SQ   SEQUENCE   1159 AA;  126655 MW;  D03BD4F657641FBA CRC64;
     MPVRRGHVAP QNTFLDTIIR KFEGQSRKFI IANARVENCA VIYCNDGFCE LCGYSRAEVM
     QRPCTCDFLH GPRTQRRAAA QIAQALLGAE ERKVEIAFYR KDGSCFLCLV DVVPVKNEDG
     AVIMFILNFE VVMEKDMVGS PAHDTNHRGP PTSWLAPGRA KTFRLKLPAL LALTARESSV
     RSGGAGGAGA PGAVVVDVDL TPAAPSSESL ALDEVTAMDN HVAGLGPAEE RRALVGPGSP
     PRSAPGQLPS PRAHSLNPDA SGSSCSLART RSRESCASVR RASSADDIEA MRAGVLPPPP
     RHASTGAMHP LRSGLLNSTS DSDLVRYRTI SKIPQITLNF VDLKGDPFLA SPTSDREIIA
     PKIKERTHNV TEKVTQVLSL GADVLPEYKL QAPRIHRWTI LHYSPFKAVW DWLILLLVIY
     TAVFTPYSAA FLLKETEEGP PATECGYACQ PLAVVDLIVD IMFIVDILIN FRTTYVNANE
     EVVSHPGRIA VHYFKGWFLI DMVAAIPFDL LIFGSGSEEL IGLLKTARLL RLVRVARKLD
     RYSEYGAAVL FLLMCTFALI AHWLACIWYA IGNMEQPHMD SRIGWLHNLG DQIGKPYNSS
     GLGGPSIKDK YVTALYFTFS SLTSVGFGNV SPNTNSEKIF SICVMLIGSL MYASIFGNVS
     AIIQRLYSGT ARYHTQMLRV REFIRFHQIP NPLRQRLEEY FQHAWSYTNG IDMNAVLKGF
     PECLQADICL HLNRSLLQHC KPFRGATKGC LRALAMKFKT THAPPGDTLV HAGDLLTALY
     FISRGSIEIL RGDVVVAILG KNDIFGEPLN LYARPGKSNG DVRALTYCDL HKIHRDDLLE
     VLDMYPEFSD HFWSSLEITF NLRDTNMIPG SPGSTELEGG FSRQRKRKLS FRRRTDKDTE
     QPGEVSALGP GRAGAGPSSR GRPGGPWGES PSSGPSSPES SEDEGPGRSS SPLRLVPFSS
     PRPPGEPPGG EPLMEDCEKS SDTCNPLSGA FSGVSNIFSF WGDSRGRQYQ ELPRCPAPTP
     SLLNIPLSSP GRRPRGDVES RLDALQRQLN RLETRLSADM ATVLQLLQRQ MTLVPPAYSA
     VTTPGPGPTS TSPLLPVSPL PTLTLDSLSQ VSQFMACEEL PPGAPELPQE GPTRRLSLPG
     QLGALTSQPL HRHGSDPGS
//
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