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Database: UniProt
Entry: RECQ1_HUMAN
LinkDB: RECQ1_HUMAN
Original site: RECQ1_HUMAN 
ID   RECQ1_HUMAN             Reviewed;         649 AA.
AC   P46063; A8K6G2;
DT   01-NOV-1995, integrated into UniProtKB/Swiss-Prot.
DT   16-DEC-2008, sequence version 3.
DT   27-MAR-2024, entry version 224.
DE   RecName: Full=ATP-dependent DNA helicase Q1 {ECO:0000305|PubMed:7527136, ECO:0000305|PubMed:8056767};
DE            EC=5.6.2.4 {ECO:0000269|PubMed:35025765, ECO:0000269|PubMed:8056767, ECO:0000305|PubMed:7527136};
DE   AltName: Full=DNA 3'-5' helicase Q1 {ECO:0000305};
DE   AltName: Full=DNA helicase, RecQ-like type 1;
DE            Short=RecQ1;
DE   AltName: Full=DNA-dependent ATPase Q1 {ECO:0000303|PubMed:8056767};
DE   AltName: Full=RecQ protein-like 1;
GN   Name=RECQL {ECO:0000303|PubMed:7961977}; Synonyms=RECQ1, RECQL1;
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], PROTEIN SEQUENCE OF 34-38; 186-193; 293-304;
RP   396-404; 431-439 AND 594-599, FUNCTION, TISSUE SPECIFICITY, SUBCELLULAR
RP   LOCATION, AND VARIANT THR-487.
RC   TISSUE=Cervix carcinoma;
RX   PubMed=7961977; DOI=10.1016/s0021-9258(18)43957-9;
RA   Puranam K.L., Blackshear P.J.;
RT   "Cloning and characterization of RECQL, a potential human homologue of the
RT   Escherichia coli DNA helicase RecQ.";
RL   J. Biol. Chem. 269:29838-29845(1994).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [MRNA], PARTIAL PROTEIN SEQUENCE, FUNCTION AS A
RP   HELICASE, AND CATALYTIC ACTIVITY.
RX   PubMed=7527136; DOI=10.1093/nar/22.22.4566;
RA   Seki M., Miyazawa H., Tada S., Yanagisawa J., Yamaoka T., Hoshino S.,
RA   Ozawa K., Eki T., Nogami M., Okumura K., Taguchi H., Hanaoka F.,
RA   Enomoto T.;
RT   "Molecular cloning of cDNA encoding human DNA helicase Q1 which has
RT   homology to Escherichia coli Rec Q helicase and localization of the gene at
RT   chromosome 12p12.";
RL   Nucleic Acids Res. 22:4566-4573(1994).
RN   [3]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA].
RA   Kalnine N., Chen X., Rolfs A., Halleck A., Hines L., Eisenstein S.,
RA   Koundinya M., Raphael J., Moreira D., Kelley T., LaBaer J., Lin Y.,
RA   Phelan M., Farmer A.;
RT   "Cloning of human full-length CDSs in BD Creator(TM) system donor vector.";
RL   Submitted (OCT-2004) to the EMBL/GenBank/DDBJ databases.
RN   [4]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA].
RC   TISSUE=Placenta;
RX   PubMed=14702039; DOI=10.1038/ng1285;
RA   Ota T., Suzuki Y., Nishikawa T., Otsuki T., Sugiyama T., Irie R.,
RA   Wakamatsu A., Hayashi K., Sato H., Nagai K., Kimura K., Makita H.,
RA   Sekine M., Obayashi M., Nishi T., Shibahara T., Tanaka T., Ishii S.,
RA   Yamamoto J., Saito K., Kawai Y., Isono Y., Nakamura Y., Nagahari K.,
RA   Murakami K., Yasuda T., Iwayanagi T., Wagatsuma M., Shiratori A., Sudo H.,
RA   Hosoiri T., Kaku Y., Kodaira H., Kondo H., Sugawara M., Takahashi M.,
RA   Kanda K., Yokoi T., Furuya T., Kikkawa E., Omura Y., Abe K., Kamihara K.,
RA   Katsuta N., Sato K., Tanikawa M., Yamazaki M., Ninomiya K., Ishibashi T.,
RA   Yamashita H., Murakawa K., Fujimori K., Tanai H., Kimata M., Watanabe M.,
RA   Hiraoka S., Chiba Y., Ishida S., Ono Y., Takiguchi S., Watanabe S.,
RA   Yosida M., Hotuta T., Kusano J., Kanehori K., Takahashi-Fujii A., Hara H.,
RA   Tanase T.-O., Nomura Y., Togiya S., Komai F., Hara R., Takeuchi K.,
RA   Arita M., Imose N., Musashino K., Yuuki H., Oshima A., Sasaki N.,
RA   Aotsuka S., Yoshikawa Y., Matsunawa H., Ichihara T., Shiohata N., Sano S.,
RA   Moriya S., Momiyama H., Satoh N., Takami S., Terashima Y., Suzuki O.,
RA   Nakagawa S., Senoh A., Mizoguchi H., Goto Y., Shimizu F., Wakebe H.,
RA   Hishigaki H., Watanabe T., Sugiyama A., Takemoto M., Kawakami B.,
RA   Yamazaki M., Watanabe K., Kumagai A., Itakura S., Fukuzumi Y., Fujimori Y.,
RA   Komiyama M., Tashiro H., Tanigami A., Fujiwara T., Ono T., Yamada K.,
RA   Fujii Y., Ozaki K., Hirao M., Ohmori Y., Kawabata A., Hikiji T.,
RA   Kobatake N., Inagaki H., Ikema Y., Okamoto S., Okitani R., Kawakami T.,
RA   Noguchi S., Itoh T., Shigeta K., Senba T., Matsumura K., Nakajima Y.,
RA   Mizuno T., Morinaga M., Sasaki M., Togashi T., Oyama M., Hata H.,
RA   Watanabe M., Komatsu T., Mizushima-Sugano J., Satoh T., Shirai Y.,
RA   Takahashi Y., Nakagawa K., Okumura K., Nagase T., Nomura N., Kikuchi H.,
RA   Masuho Y., Yamashita R., Nakai K., Yada T., Nakamura Y., Ohara O.,
RA   Isogai T., Sugano S.;
RT   "Complete sequencing and characterization of 21,243 full-length human
RT   cDNAs.";
RL   Nat. Genet. 36:40-45(2004).
RN   [5]
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 (JUL-2005) to the EMBL/GenBank/DDBJ databases.
RN   [6]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RX   PubMed=16541075; DOI=10.1038/nature04569;
RA   Scherer S.E., Muzny D.M., Buhay C.J., Chen R., Cree A., Ding Y.,
RA   Dugan-Rocha S., Gill R., Gunaratne P., Harris R.A., Hawes A.C.,
RA   Hernandez J., Hodgson A.V., Hume J., Jackson A., Khan Z.M., Kovar-Smith C.,
RA   Lewis L.R., Lozado R.J., Metzker M.L., Milosavljevic A., Miner G.R.,
RA   Montgomery K.T., Morgan M.B., Nazareth L.V., Scott G., Sodergren E.,
RA   Song X.-Z., Steffen D., Lovering R.C., Wheeler D.A., Worley K.C., Yuan Y.,
RA   Zhang Z., Adams C.Q., Ansari-Lari M.A., Ayele M., Brown M.J., Chen G.,
RA   Chen Z., Clerc-Blankenburg K.P., Davis C., Delgado O., Dinh H.H.,
RA   Draper H., Gonzalez-Garay M.L., Havlak P., Jackson L.R., Jacob L.S.,
RA   Kelly S.H., Li L., Li Z., Liu J., Liu W., Lu J., Maheshwari M.,
RA   Nguyen B.-V., Okwuonu G.O., Pasternak S., Perez L.M., Plopper F.J.H.,
RA   Santibanez J., Shen H., Tabor P.E., Verduzco D., Waldron L., Wang Q.,
RA   Williams G.A., Zhang J., Zhou J., Allen C.C., Amin A.G., Anyalebechi V.,
RA   Bailey M., Barbaria J.A., Bimage K.E., Bryant N.P., Burch P.E.,
RA   Burkett C.E., Burrell K.L., Calderon E., Cardenas V., Carter K., Casias K.,
RA   Cavazos I., Cavazos S.R., Ceasar H., Chacko J., Chan S.N., Chavez D.,
RA   Christopoulos C., Chu J., Cockrell R., Cox C.D., Dang M., Dathorne S.R.,
RA   David R., Davis C.M., Davy-Carroll L., Deshazo D.R., Donlin J.E.,
RA   D'Souza L., Eaves K.A., Egan A., Emery-Cohen A.J., Escotto M., Flagg N.,
RA   Forbes L.D., Gabisi A.M., Garza M., Hamilton C., Henderson N.,
RA   Hernandez O., Hines S., Hogues M.E., Huang M., Idlebird D.G., Johnson R.,
RA   Jolivet A., Jones S., Kagan R., King L.M., Leal B., Lebow H., Lee S.,
RA   LeVan J.M., Lewis L.C., London P., Lorensuhewa L.M., Loulseged H.,
RA   Lovett D.A., Lucier A., Lucier R.L., Ma J., Madu R.C., Mapua P.,
RA   Martindale A.D., Martinez E., Massey E., Mawhiney S., Meador M.G.,
RA   Mendez S., Mercado C., Mercado I.C., Merritt C.E., Miner Z.L., Minja E.,
RA   Mitchell T., Mohabbat F., Mohabbat K., Montgomery B., Moore N., Morris S.,
RA   Munidasa M., Ngo R.N., Nguyen N.B., Nickerson E., Nwaokelemeh O.O.,
RA   Nwokenkwo S., Obregon M., Oguh M., Oragunye N., Oviedo R.J., Parish B.J.,
RA   Parker D.N., Parrish J., Parks K.L., Paul H.A., Payton B.A., Perez A.,
RA   Perrin W., Pickens A., Primus E.L., Pu L.-L., Puazo M., Quiles M.M.,
RA   Quiroz J.B., Rabata D., Reeves K., Ruiz S.J., Shao H., Sisson I.,
RA   Sonaike T., Sorelle R.P., Sutton A.E., Svatek A.F., Svetz L.A.,
RA   Tamerisa K.S., Taylor T.R., Teague B., Thomas N., Thorn R.D., Trejos Z.Y.,
RA   Trevino B.K., Ukegbu O.N., Urban J.B., Vasquez L.I., Vera V.A.,
RA   Villasana D.M., Wang L., Ward-Moore S., Warren J.T., Wei X., White F.,
RA   Williamson A.L., Wleczyk R., Wooden H.S., Wooden S.H., Yen J., Yoon L.,
RA   Yoon V., Zorrilla S.E., Nelson D., Kucherlapati R., Weinstock G.,
RA   Gibbs R.A.;
RT   "The finished DNA sequence of human chromosome 12.";
RL   Nature 440:346-351(2006).
RN   [7]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA].
RC   TISSUE=Lung;
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   [8]
RP   FUNCTION AS A 3'-5' HELICASE, FUNCTION AS AN ATPASE, CATALYTIC ACTIVITY,
RP   AND COFACTOR.
RX   PubMed=8056767; DOI=10.1093/oxfordjournals.jbchem.a124369;
RA   Seki M., Yanagisawa J., Kohda T., Sonoyama T., Ui M., Enomoto T.;
RT   "Purification of two DNA-dependent adenosinetriphosphatases having DNA
RT   helicase activity from HeLa cells and comparison of the properties of the
RT   two enzymes.";
RL   J. Biochem. 115:523-531(1994).
RN   [9]
RP   FUNCTION, INTERACTION WITH EXO1 AND MLH1, AND MUTAGENESIS OF LYS-119.
RX   PubMed=15886194; DOI=10.1074/jbc.m500265200;
RA   Doherty K.M., Sharma S., Uzdilla L.A., Wilson T.M., Cui S., Vindigni A.,
RA   Brosh R.M. Jr.;
RT   "RECQ1 helicase interacts with human mismatch repair factors that regulate
RT   genetic recombination.";
RL   J. Biol. Chem. 280:28085-28094(2005).
RN   [10]
RP   ACETYLATION [LARGE SCALE ANALYSIS] AT LYS-514 AND LYS-522, AND
RP   IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS].
RX   PubMed=19608861; DOI=10.1126/science.1175371;
RA   Choudhary C., Kumar C., Gnad F., Nielsen M.L., Rehman M., Walther T.C.,
RA   Olsen J.V., Mann M.;
RT   "Lysine acetylation targets protein complexes and co-regulates major
RT   cellular functions.";
RL   Science 325:834-840(2009).
RN   [11]
RP   PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT SER-634, AND IDENTIFICATION BY
RP   MASS SPECTROMETRY [LARGE SCALE ANALYSIS].
RC   TISSUE=Cervix carcinoma;
RX   PubMed=20068231; DOI=10.1126/scisignal.2000475;
RA   Olsen J.V., Vermeulen M., Santamaria A., Kumar C., Miller M.L.,
RA   Jensen L.J., Gnad F., Cox J., Jensen T.S., Nigg E.A., Brunak S., Mann M.;
RT   "Quantitative phosphoproteomics reveals widespread full phosphorylation
RT   site occupancy during mitosis.";
RL   Sci. Signal. 3:RA3-RA3(2010).
RN   [12]
RP   IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS].
RX   PubMed=21269460; DOI=10.1186/1752-0509-5-17;
RA   Burkard T.R., Planyavsky M., Kaupe I., Breitwieser F.P., Buerckstuemmer T.,
RA   Bennett K.L., Superti-Furga G., Colinge J.;
RT   "Initial characterization of the human central proteome.";
RL   BMC Syst. Biol. 5:17-17(2011).
RN   [13]
RP   PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT SER-597, AND IDENTIFICATION BY
RP   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   [14]
RP   IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS].
RC   TISSUE=Liver;
RX   PubMed=24275569; DOI=10.1016/j.jprot.2013.11.014;
RA   Bian Y., Song C., Cheng K., Dong M., Wang F., Huang J., Sun D., Wang L.,
RA   Ye M., Zou H.;
RT   "An enzyme assisted RP-RPLC approach for in-depth analysis of human liver
RT   phosphoproteome.";
RL   J. Proteomics 96:253-262(2014).
RN   [15]
RP   INVOLVEMENT IN RECON, VARIANT RECON SER-459, CHARACTERIZATION OF VARIANT
RP   RECON SER-459, FUNCTION, CATALYTIC ACTIVITY, SUBUNIT, INTERACTION WITH
RP   PARP1, SUBCELLULAR LOCATION, AND BIOPHYSICOCHEMICAL PROPERTIES.
RX   PubMed=35025765; DOI=10.1172/jci147301;
RA   Abu-Libdeh B., Jhujh S.S., Dhar S., Sommers J.A., Datta A., Longo G.M.,
RA   Grange L.J., Reynolds J.J., Cooke S.L., McNee G.S., Hollingworth R.,
RA   Woodward B.L., Ganesh A.N., Smerdon S.J., Nicolae C.M.,
RA   Durlacher-Betzer K., Molho-Pessach V., Abu-Libdeh A., Meiner V.,
RA   Moldovan G.L., Roukos V., Harel T., Brosh R.M. Jr., Stewart G.S.;
RT   "RECON syndrome is a genome instability disorder caused by mutations in the
RT   DNA helicase RECQL1.";
RL   J. Clin. Invest. 132:0-0(2022).
RN   [16] {ECO:0007744|PDB:2V1X}
RP   X-RAY CRYSTALLOGRAPHY (2.00 ANGSTROMS) OF 49-616 IN COMPLEX WITH ADP AND
RP   ZN(2+), FUNCTION, SUBSTRATE SPECIFICITY, POSSIBLE ACTIVE SITE,
RP   BIOPHYSICOCHEMICAL PROPERTIES, SUBUNIT, COFACTOR, DOMAIN, AND MUTAGENESIS
RP   OF 555-LEU--ILE-572; 560-SER--ILE-567 AND TYR-564.
RX   PubMed=19151156; DOI=10.1073/pnas.0806908106;
RA   Pike A.C., Shrestha B., Popuri V., Burgess-Brown N., Muzzolini L.,
RA   Costantini S., Vindigni A., Gileadi O.;
RT   "Structure of the human RECQ1 helicase reveals a putative strand-separation
RT   pin.";
RL   Proc. Natl. Acad. Sci. U.S.A. 106:1039-1044(2009).
RN   [17] {ECO:0007744|PDB:2WWY, ECO:0007744|PDB:4U7D}
RP   X-RAY CRYSTALLOGRAPHY (2.90 ANGSTROMS) OF 48-619 IN COMPLEX WITH ZN(2+) AND
RP   DNA, FUNCTION, SUBUNIT, DOMAIN, AND MUTAGENESIS OF 511-THR--LYS-514 AND
RP   ARG-528.
RX   PubMed=25831490; DOI=10.1073/pnas.1417594112;
RA   Pike A.C., Gomathinayagam S., Swuec P., Berti M., Zhang Y., Schnecke C.,
RA   Marino F., von Delft F., Renault L., Costa A., Gileadi O., Vindigni A.;
RT   "Human RECQ1 helicase-driven DNA unwinding, annealing, and branch
RT   migration: insights from DNA complex structures.";
RL   Proc. Natl. Acad. Sci. U.S.A. 112:4286-4291(2015).
CC   -!- FUNCTION: DNA helicase that plays a role in DNA damage repair and
CC       genome stability (PubMed:7961977, PubMed:7527136, PubMed:8056767,
CC       PubMed:15886194, PubMed:35025765). Exhibits a magnesium- and ATP-
CC       dependent DNA-helicase activity that unwinds single- and double-
CC       stranded DNA in a 3'-5' direction (PubMed:7527136, PubMed:8056767,
CC       PubMed:35025765, PubMed:19151156). Full-length protein unwinds forked
CC       DNA substrates, resolves Holliday junctions, and has DNA strand
CC       annealing activity (PubMed:19151156, PubMed:25831490). Plays a role in
CC       restoring regressed replication forks (PubMed:35025765). Required to
CC       restart stalled replication forks induced by abortive topoisomerase 1
CC       and 2 lesions (PubMed:35025765). May play a role in the repair of DNA
CC       that is damaged by ultraviolet light or other mutagens (PubMed:7961977,
CC       PubMed:15886194). {ECO:0000269|PubMed:15886194,
CC       ECO:0000269|PubMed:19151156, ECO:0000269|PubMed:25831490,
CC       ECO:0000269|PubMed:35025765, ECO:0000269|PubMed:7527136,
CC       ECO:0000269|PubMed:7961977, ECO:0000269|PubMed:8056767}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=Couples ATP hydrolysis with the unwinding of duplex DNA by
CC         translocating in the 3'-5' direction.; EC=5.6.2.4;
CC         Evidence={ECO:0000269|PubMed:35025765, ECO:0000269|PubMed:8056767};
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=ATP + H2O = ADP + H(+) + phosphate; Xref=Rhea:RHEA:13065,
CC         ChEBI:CHEBI:15377, ChEBI:CHEBI:15378, ChEBI:CHEBI:30616,
CC         ChEBI:CHEBI:43474, ChEBI:CHEBI:456216;
CC         Evidence={ECO:0000269|PubMed:35025765, ECO:0000269|PubMed:7527136,
CC         ECO:0000269|PubMed:8056767};
CC       PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:13066;
CC         Evidence={ECO:0000269|PubMed:35025765, ECO:0000305|PubMed:8056767};
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=dATP + H2O = dADP + H(+) + phosphate; Xref=Rhea:RHEA:51908,
CC         ChEBI:CHEBI:15377, ChEBI:CHEBI:15378, ChEBI:CHEBI:43474,
CC         ChEBI:CHEBI:57667, ChEBI:CHEBI:61404;
CC         Evidence={ECO:0000269|PubMed:7527136, ECO:0000269|PubMed:8056767};
CC       PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:51909;
CC         Evidence={ECO:0000305|PubMed:8056767};
CC   -!- COFACTOR:
CC       Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC         Evidence={ECO:0000269|PubMed:8056767};
CC       Name=Mn(2+); Xref=ChEBI:CHEBI:29035;
CC         Evidence={ECO:0000269|PubMed:8056767};
CC   -!- COFACTOR:
CC       Name=Zn(2+); Xref=ChEBI:CHEBI:29105;
CC         Evidence={ECO:0000269|PubMed:19151156, ECO:0000269|PubMed:25831490,
CC         ECO:0000312|PDB:2V1X, ECO:0007744|PDB:2WWY, ECO:0007744|PDB:4U7D};
CC       Note=Binds 1 Zn(2+) per monomer (PubMed:19151156).
CC       {ECO:0000269|PubMed:19151156, ECO:0000269|PubMed:25831490};
CC   -!- BIOPHYSICOCHEMICAL PROPERTIES:
CC       Kinetic parameters:
CC         KM=95.3 uM for ATP {ECO:0000269|PubMed:35025765};
CC         KM=115 uM for ATP {ECO:0000269|PubMed:19151156};
CC         Vmax=84 nmol/min/ng enzyme with ATP as substrate
CC         {ECO:0000269|PubMed:35025765};
CC         Note=kcat is 103.5 sec(-1) for ATP (PubMed:35025765). kcat is 90
CC         min(-1) (PubMed:19151156). {ECO:0000269|PubMed:19151156,
CC         ECO:0000269|PubMed:35025765};
CC   -!- SUBUNIT: May form homodimers or higher order oligomers
CC       (PubMed:35025765, PubMed:19151156). Forms a dimer in complex with
CC       tailed duplex DNA; the DNA only mkaes contact with one of the monomers
CC       (PubMed:25831490). Probably forms flat tetramers on Holliday junction
CC       DNA (PubMed:25831490) (Probable). Interacts with EXO1
CC       (PubMed:15886194). Interacts with MLH1 (PubMed:15886194). Interacts
CC       with PARP1 (PubMed:35025765, PubMed:19151156, PubMed:25831490).
CC       {ECO:0000269|PubMed:15886194, ECO:0000269|PubMed:19151156,
CC       ECO:0000269|PubMed:25831490, ECO:0000269|PubMed:35025765,
CC       ECO:0000305|PubMed:25831490}.
CC   -!- INTERACTION:
CC       P46063; P52292: KPNA2; NbExp=2; IntAct=EBI-2823728, EBI-349938;
CC       P46063; O00629: KPNA4; NbExp=2; IntAct=EBI-2823728, EBI-396343;
CC       P46063; P09874: PARP1; NbExp=8; IntAct=EBI-2823728, EBI-355676;
CC   -!- SUBCELLULAR LOCATION: Nucleus {ECO:0000269|PubMed:35025765,
CC       ECO:0000269|PubMed:7961977}.
CC   -!- TISSUE SPECIFICITY: High expression in heart, lung, skeletal muscle and
CC       kidney, low expression in brain. {ECO:0000269|PubMed:7961977}.
CC   -!- DOMAIN: A helical hairpin (residues 554-573) in the winged-helix proble
CC       DNA-binding domain couples the ATPase (and probably ssDNA
CC       translocation) to DNA unwinding (PubMed:19151156). The isolated WH
CC       domain (residues 481-624) anneals DNA as well as full-length protein
CC       (PubMed:25831490). {ECO:0000269|PubMed:19151156,
CC       ECO:0000269|PubMed:25831490}.
CC   -!- DISEASE: RECON progeroid syndrome (RECON) [MIM:620370]: An autosomal
CC       recessive syndrome characterized by short stature, progeroid facial
CC       features, a hypoplastic nose, xeroderma, skin photosensitivity, muscle
CC       wasting with reduced subcutaneous fat, and slender elongated thumbs.
CC       {ECO:0000269|PubMed:35025765}. Note=The disease is caused by variants
CC       affecting the gene represented in this entry.
CC   -!- SIMILARITY: Belongs to the helicase family. RecQ subfamily.
CC       {ECO:0000305}.
CC   -!- SEQUENCE CAUTION:
CC       Sequence=AAA60261.1; Type=Frameshift; Evidence={ECO:0000305};
CC   -!- WEB RESOURCE: Name=Atlas of Genetics and Cytogenetics in Oncology and
CC       Haematology;
CC       URL="https://atlasgeneticsoncology.org/gene/283/RECQL";
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DR   EMBL; L36140; AAA60261.1; ALT_FRAME; mRNA.
DR   EMBL; D37984; BAA07200.1; -; mRNA.
DR   EMBL; BT007119; AAP35783.1; -; mRNA.
DR   EMBL; AK291627; BAF84316.1; -; mRNA.
DR   EMBL; AC006559; -; NOT_ANNOTATED_CDS; Genomic_DNA.
DR   EMBL; CH471094; EAW96434.1; -; Genomic_DNA.
DR   EMBL; BC001052; AAH01052.1; -; mRNA.
DR   CCDS; CCDS31756.1; -.
DR   PIR; A58836; A55311.
DR   RefSeq; NP_002898.2; NM_002907.3.
DR   RefSeq; NP_116559.1; NM_032941.2.
DR   RefSeq; XP_005253518.1; XM_005253461.3.
DR   RefSeq; XP_005253519.1; XM_005253462.4.
DR   RefSeq; XP_005253520.1; XM_005253463.3.
DR   RefSeq; XP_005253521.1; XM_005253464.3.
DR   PDB; 2V1X; X-ray; 2.00 A; A/B=49-616.
DR   PDB; 2WWY; X-ray; 2.90 A; A/B=49-616.
DR   PDB; 4U7D; X-ray; 3.40 A; A/B/C/D=49-616.
DR   PDB; 6JTZ; X-ray; 2.80 A; A/B=282-616.
DR   PDBsum; 2V1X; -.
DR   PDBsum; 2WWY; -.
DR   PDBsum; 4U7D; -.
DR   PDBsum; 6JTZ; -.
DR   AlphaFoldDB; P46063; -.
DR   SMR; P46063; -.
DR   BioGRID; 111897; 112.
DR   DIP; DIP-29216N; -.
DR   IntAct; P46063; 44.
DR   MINT; P46063; -.
DR   STRING; 9606.ENSP00000416739; -.
DR   BindingDB; P46063; -.
DR   ChEMBL; CHEMBL1293236; -.
DR   GlyGen; P46063; 1 site, 1 O-linked glycan (1 site).
DR   iPTMnet; P46063; -.
DR   MetOSite; P46063; -.
DR   PhosphoSitePlus; P46063; -.
DR   SwissPalm; P46063; -.
DR   BioMuta; RECQL; -.
DR   DMDM; 218512113; -.
DR   EPD; P46063; -.
DR   jPOST; P46063; -.
DR   MassIVE; P46063; -.
DR   MaxQB; P46063; -.
DR   PaxDb; 9606-ENSP00000416739; -.
DR   PeptideAtlas; P46063; -.
DR   ProteomicsDB; 55713; -.
DR   Pumba; P46063; -.
DR   TopDownProteomics; P46063; -.
DR   Antibodypedia; 4055; 118 antibodies from 21 providers.
DR   CPTC; P46063; 1 antibody.
DR   DNASU; 5965; -.
DR   Ensembl; ENST00000421138.6; ENSP00000395449.2; ENSG00000004700.16.
DR   Ensembl; ENST00000444129.7; ENSP00000416739.2; ENSG00000004700.16.
DR   GeneID; 5965; -.
DR   KEGG; hsa:5965; -.
DR   MANE-Select; ENST00000444129.7; ENSP00000416739.2; NM_002907.4; NP_002898.2.
DR   UCSC; uc001rex.4; human.
DR   AGR; HGNC:9948; -.
DR   CTD; 5965; -.
DR   DisGeNET; 5965; -.
DR   GeneCards; RECQL; -.
DR   HGNC; HGNC:9948; RECQL.
DR   HPA; ENSG00000004700; Low tissue specificity.
DR   MalaCards; RECQL; -.
DR   MIM; 600537; gene.
DR   MIM; 620370; phenotype.
DR   neXtProt; NX_P46063; -.
DR   OpenTargets; ENSG00000004700; -.
DR   PharmGKB; PA34315; -.
DR   VEuPathDB; HostDB:ENSG00000004700; -.
DR   eggNOG; KOG0353; Eukaryota.
DR   GeneTree; ENSGT00940000157013; -.
DR   HOGENOM; CLU_001103_12_5_1; -.
DR   InParanoid; P46063; -.
DR   OMA; FKLSTMV; -.
DR   OrthoDB; 5474026at2759; -.
DR   PhylomeDB; P46063; -.
DR   TreeFam; TF323555; -.
DR   BRENDA; 3.6.4.12; 2681.
DR   PathwayCommons; P46063; -.
DR   SignaLink; P46063; -.
DR   BioGRID-ORCS; 5965; 7 hits in 1151 CRISPR screens.
DR   ChiTaRS; RECQL; human.
DR   EvolutionaryTrace; P46063; -.
DR   GeneWiki; RECQL; -.
DR   GenomeRNAi; 5965; -.
DR   Pharos; P46063; Tbio.
DR   PRO; PR:P46063; -.
DR   Proteomes; UP000005640; Chromosome 12.
DR   RNAct; P46063; Protein.
DR   Bgee; ENSG00000004700; Expressed in buccal mucosa cell and 209 other cell types or tissues.
DR   ExpressionAtlas; P46063; baseline and differential.
DR   Genevisible; P46063; HS.
DR   GO; GO:0005694; C:chromosome; IBA:GO_Central.
DR   GO; GO:0005737; C:cytoplasm; IBA:GO_Central.
DR   GO; GO:0016020; C:membrane; HDA:UniProtKB.
DR   GO; GO:0005654; C:nucleoplasm; IDA:HPA.
DR   GO; GO:0005634; C:nucleus; IDA:UniProtKB.
DR   GO; GO:0043138; F:3'-5' DNA helicase activity; IDA:UniProtKB.
DR   GO; GO:0005524; F:ATP binding; IEA:UniProtKB-KW.
DR   GO; GO:0016887; F:ATP hydrolysis activity; IEA:RHEA.
DR   GO; GO:0003678; F:DNA helicase activity; IDA:UniProtKB.
DR   GO; GO:1990814; F:DNA/DNA annealing activity; IDA:GO_Central.
DR   GO; GO:0036121; F:double-stranded DNA helicase activity; IDA:UniProtKB.
DR   GO; GO:0009378; F:four-way junction helicase activity; IBA:GO_Central.
DR   GO; GO:0006281; P:DNA repair; TAS:ProtInc.
DR   GO; GO:0006268; P:DNA unwinding involved in DNA replication; IBA:GO_Central.
DR   GO; GO:0000724; P:double-strand break repair via homologous recombination; IBA:GO_Central.
DR   GO; GO:0031297; P:replication fork processing; IDA:UniProtKB.
DR   CDD; cd18015; DEXHc_RecQ1; 1.
DR   CDD; cd18794; SF2_C_RecQ; 1.
DR   Gene3D; 3.40.50.300; P-loop containing nucleotide triphosphate hydrolases; 2.
DR   Gene3D; 1.10.10.10; Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domain; 1.
DR   InterPro; IPR011545; DEAD/DEAH_box_helicase_dom.
DR   InterPro; IPR004589; DNA_helicase_ATP-dep_RecQ.
DR   InterPro; IPR014001; Helicase_ATP-bd.
DR   InterPro; IPR001650; Helicase_C.
DR   InterPro; IPR027417; P-loop_NTPase.
DR   InterPro; IPR032284; RecQ_Zn-bd.
DR   InterPro; IPR036388; WH-like_DNA-bd_sf.
DR   NCBIfam; TIGR00614; recQ_fam; 1.
DR   PANTHER; PTHR13710:SF72; ATP-DEPENDENT DNA HELICASE Q1; 1.
DR   PANTHER; PTHR13710; DNA HELICASE RECQ FAMILY MEMBER; 1.
DR   Pfam; PF00270; DEAD; 1.
DR   Pfam; PF00271; Helicase_C; 1.
DR   Pfam; PF16124; RecQ_Zn_bind; 1.
DR   SMART; SM00487; DEXDc; 1.
DR   SMART; SM00490; HELICc; 1.
DR   SUPFAM; SSF52540; P-loop containing nucleoside triphosphate hydrolases; 2.
DR   PROSITE; PS51192; HELICASE_ATP_BIND_1; 1.
DR   PROSITE; PS51194; HELICASE_CTER; 1.
PE   1: Evidence at protein level;
KW   3D-structure; Acetylation; ATP-binding; Direct protein sequencing;
KW   Disease variant; DNA-binding; Helicase; Hydrolase; Isomerase;
KW   Metal-binding; Nucleotide-binding; Nucleus; Phosphoprotein;
KW   Reference proteome; Zinc.
FT   CHAIN           1..649
FT                   /note="ATP-dependent DNA helicase Q1"
FT                   /id="PRO_0000205049"
FT   DOMAIN          100..275
FT                   /note="Helicase ATP-binding"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00541"
FT   DOMAIN          300..451
FT                   /note="Helicase C-terminal"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00542"
FT   REGION          481..592
FT                   /note="Winged-helix domain"
FT                   /evidence="ECO:0000269|PubMed:19151156"
FT   REGION          595..649
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   MOTIF           219..222
FT                   /note="DEVH box"
FT   COMPBIAS        606..621
FT                   /note="Basic and acidic residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COMPBIAS        622..639
FT                   /note="Polar residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   ACT_SITE        119
FT                   /evidence="ECO:0000305|PubMed:19151156"
FT   BINDING         91
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000305|PubMed:19151156,
FT                   ECO:0007744|PDB:2V1X"
FT   BINDING         93
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000305|PubMed:19151156,
FT                   ECO:0007744|PDB:2V1X"
FT   BINDING         96
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000305|PubMed:19151156,
FT                   ECO:0007744|PDB:2V1X"
FT   BINDING         116
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000305|PubMed:19151156,
FT                   ECO:0007744|PDB:2V1X"
FT   BINDING         118
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000305|PubMed:19151156,
FT                   ECO:0007744|PDB:2V1X"
FT   BINDING         119
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000305|PubMed:19151156,
FT                   ECO:0007744|PDB:2V1X"
FT   BINDING         120
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000305|PubMed:19151156,
FT                   ECO:0007744|PDB:2V1X"
FT   BINDING         453
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000269|PubMed:19151156,
FT                   ECO:0000269|PubMed:25831490, ECO:0007744|PDB:2V1X,
FT                   ECO:0007744|PDB:2WWY, ECO:0007744|PDB:4U7D"
FT   BINDING         471
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000269|PubMed:19151156,
FT                   ECO:0000269|PubMed:25831490, ECO:0007744|PDB:2V1X,
FT                   ECO:0007744|PDB:2WWY, ECO:0007744|PDB:4U7D"
FT   BINDING         475
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000269|PubMed:19151156,
FT                   ECO:0000269|PubMed:25831490, ECO:0007744|PDB:2V1X,
FT                   ECO:0007744|PDB:2WWY, ECO:0007744|PDB:4U7D"
FT   BINDING         478
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000269|PubMed:19151156,
FT                   ECO:0000269|PubMed:25831490, ECO:0007744|PDB:2V1X,
FT                   ECO:0007744|PDB:2WWY, ECO:0007744|PDB:4U7D"
FT   MOD_RES         514
FT                   /note="N6-acetyllysine"
FT                   /evidence="ECO:0007744|PubMed:19608861"
FT   MOD_RES         522
FT                   /note="N6-acetyllysine"
FT                   /evidence="ECO:0007744|PubMed:19608861"
FT   MOD_RES         597
FT                   /note="Phosphoserine"
FT                   /evidence="ECO:0007744|PubMed:23186163"
FT   MOD_RES         602
FT                   /note="Phosphoserine"
FT                   /evidence="ECO:0000250|UniProtKB:Q6AYJ1"
FT   MOD_RES         634
FT                   /note="Phosphoserine"
FT                   /evidence="ECO:0007744|PubMed:20068231"
FT   VARIANT         102
FT                   /note="V -> I (in dbSNP:rs1065751)"
FT                   /id="VAR_034679"
FT   VARIANT         372
FT                   /note="V -> I (in dbSNP:rs2230003)"
FT                   /id="VAR_051732"
FT   VARIANT         459
FT                   /note="A -> S (in RECON; likely pathogenic; reduces DNA
FT                   helicase activity on a forked duplex DNA substrate;
FT                   decreases ATPase activity; reduces DNA-binding; defect in
FT                   repairing abortive TOP1/topoisomerase 1 and TOP2/
FT                   topoisomerase 2 cleavage complexes; failure to efficiently
FT                   restart replication following exposure to genotoxins, such
FT                   as hydroxyurea (HU) and methyl methane sulfonate (MMS); no
FT                   impact on nuclear localization and interaction with PARP1;
FT                   no effect on capacity to promote single-strand DNA
FT                   annealing; dbSNP:rs1055710310)"
FT                   /evidence="ECO:0000269|PubMed:35025765"
FT                   /id="VAR_088584"
FT   VARIANT         487
FT                   /note="K -> T (in dbSNP:rs6501)"
FT                   /evidence="ECO:0000269|PubMed:7961977"
FT                   /id="VAR_016140"
FT   VARIANT         495
FT                   /note="D -> H (in dbSNP:rs6499)"
FT                   /id="VAR_016141"
FT   MUTAGEN         119
FT                   /note="K->A: Abrogates helicase activity."
FT                   /evidence="ECO:0000269|PubMed:15886194"
FT   MUTAGEN         511..514
FT                   /note="TPLK->APLA: Considerably reduced DNA unwinding and
FT                   branch migration on Holliday junctions, small change in DNA
FT                   annealing."
FT                   /evidence="ECO:0000269|PubMed:25831490"
FT   MUTAGEN         528
FT                   /note="R->A: Reduced DNA unwinding and branch migration on
FT                   Holliday junctions, small change in DNA annealing."
FT                   /evidence="ECO:0000269|PubMed:25831490"
FT   MUTAGEN         555..572
FT                   /note="LKEDYSFTAYATISYLKI->AA: Complete loss of DNA fork
FT                   unwinding, retains ATPase activity (in a 49-616 residue
FT                   fragment)."
FT                   /evidence="ECO:0000269|PubMed:19151156"
FT   MUTAGEN         560..567
FT                   /note="SFTAYATI->AA: Complete loss of DNA fork unwinding,
FT                   retains ATPase activity (in a 49-616 residue fragment)."
FT                   /evidence="ECO:0000269|PubMed:19151156"
FT   MUTAGEN         564
FT                   /note="Y->A: Nearly complete loss of DNA fork unwinding,
FT                   retains ATPase activity (in a 49-616 residue fragment)."
FT                   /evidence="ECO:0000269|PubMed:19151156"
FT   CONFLICT        1
FT                   /note="M -> S (in Ref. 2; BAA07200)"
FT                   /evidence="ECO:0000305"
FT   CONFLICT        175
FT                   /note="A -> D (in Ref. 1; AAA60261)"
FT                   /evidence="ECO:0000305"
FT   CONFLICT        453
FT                   /note="C -> S (in Ref. 1; AAA60261)"
FT                   /evidence="ECO:0000305"
FT   CONFLICT        566
FT                   /note="T -> A (in Ref. 1; AAA60261)"
FT                   /evidence="ECO:0000305"
FT   CONFLICT        617
FT                   /note="E -> K (in Ref. 3; AAP35783 and 7; AAH01052)"
FT                   /evidence="ECO:0000305"
FT   HELIX           65..68
FT                   /evidence="ECO:0007829|PDB:2V1X"
FT   HELIX           76..85
FT                   /evidence="ECO:0007829|PDB:2V1X"
FT   HELIX           96..104
FT                   /evidence="ECO:0007829|PDB:2V1X"
FT   STRAND          109..112
FT                   /evidence="ECO:0007829|PDB:2V1X"
FT   HELIX           121..128
FT                   /evidence="ECO:0007829|PDB:2V1X"
FT   STRAND          130..137
FT                   /evidence="ECO:0007829|PDB:2V1X"
FT   HELIX           141..154
FT                   /evidence="ECO:0007829|PDB:2V1X"
FT   STRAND          158..160
FT                   /evidence="ECO:0007829|PDB:2V1X"
FT   HELIX           167..178
FT                   /evidence="ECO:0007829|PDB:2V1X"
FT   STRAND          186..189
FT                   /evidence="ECO:0007829|PDB:2V1X"
FT   HELIX           191..195
FT                   /evidence="ECO:0007829|PDB:2V1X"
FT   HELIX           198..209
FT                   /evidence="ECO:0007829|PDB:2V1X"
FT   STRAND          213..219
FT                   /evidence="ECO:0007829|PDB:2V1X"
FT   HELIX           221..224
FT                   /evidence="ECO:0007829|PDB:2V1X"
FT   HELIX           226..228
FT                   /evidence="ECO:0007829|PDB:2WWY"
FT   HELIX           233..239
FT                   /evidence="ECO:0007829|PDB:2V1X"
FT   HELIX           240..244
FT                   /evidence="ECO:0007829|PDB:2V1X"
FT   STRAND          248..256
FT                   /evidence="ECO:0007829|PDB:2V1X"
FT   HELIX           259..268
FT                   /evidence="ECO:0007829|PDB:2V1X"
FT   STRAND          275..278
FT                   /evidence="ECO:0007829|PDB:2V1X"
FT   STRAND          286..292
FT                   /evidence="ECO:0007829|PDB:2V1X"
FT   HELIX           297..308
FT                   /evidence="ECO:0007829|PDB:2V1X"
FT   TURN            309..314
FT                   /evidence="ECO:0007829|PDB:2V1X"
FT   STRAND          316..320
FT                   /evidence="ECO:0007829|PDB:2V1X"
FT   HELIX           324..336
FT                   /evidence="ECO:0007829|PDB:2V1X"
FT   STRAND          341..344
FT                   /evidence="ECO:0007829|PDB:2V1X"
FT   HELIX           350..361
FT                   /evidence="ECO:0007829|PDB:2V1X"
FT   STRAND          364..370
FT                   /evidence="ECO:0007829|PDB:2V1X"
FT   STRAND          383..390
FT                   /evidence="ECO:0007829|PDB:2V1X"
FT   HELIX           395..402
FT                   /evidence="ECO:0007829|PDB:2V1X"
FT   STRAND          412..418
FT                   /evidence="ECO:0007829|PDB:2V1X"
FT   HELIX           420..429
FT                   /evidence="ECO:0007829|PDB:2V1X"
FT   TURN            430..432
FT                   /evidence="ECO:0007829|PDB:2V1X"
FT   STRAND          433..435
FT                   /evidence="ECO:0007829|PDB:6JTZ"
FT   HELIX           436..447
FT                   /evidence="ECO:0007829|PDB:2V1X"
FT   STRAND          450..452
FT                   /evidence="ECO:0007829|PDB:2V1X"
FT   HELIX           454..462
FT                   /evidence="ECO:0007829|PDB:2V1X"
FT   HELIX           476..479
FT                   /evidence="ECO:0007829|PDB:2V1X"
FT   STRAND          484..488
FT                   /evidence="ECO:0007829|PDB:2V1X"
FT   HELIX           490..505
FT                   /evidence="ECO:0007829|PDB:2V1X"
FT   HELIX           512..519
FT                   /evidence="ECO:0007829|PDB:2V1X"
FT   HELIX           525..527
FT                   /evidence="ECO:0007829|PDB:2V1X"
FT   HELIX           539..551
FT                   /evidence="ECO:0007829|PDB:2V1X"
FT   STRAND          554..561
FT                   /evidence="ECO:0007829|PDB:2V1X"
FT   STRAND          566..572
FT                   /evidence="ECO:0007829|PDB:2V1X"
FT   HELIX           574..580
FT                   /evidence="ECO:0007829|PDB:2V1X"
FT   STRAND          587..591
FT                   /evidence="ECO:0007829|PDB:2V1X"
SQ   SEQUENCE   649 AA;  73457 MW;  F616DC3191F79391 CRC64;
     MASVSALTEE LDSITSELHA VEIQIQELTE RQQELIQKKK VLTKKIKQCL EDSDAGASNE
     YDSSPAAWNK EDFPWSGKVK DILQNVFKLE KFRPLQLETI NVTMAGKEVF LVMPTGGGKS
     LCYQLPALCS DGFTLVICPL ISLMEDQLMV LKQLGISATM LNASSSKEHV KWVHAEMVNK
     NSELKLIYVT PEKIAKSKMF MSRLEKAYEA RRFTRIAVDE VHCCSQWGHD FRPDYKALGI
     LKRQFPNASL IGLTATATNH VLTDAQKILC IEKCFTFTAS FNRPNLYYEV RQKPSNTEDF
     IEDIVKLING RYKGQSGIIY CFSQKDSEQV TVSLQNLGIH AGAYHANLEP EDKTTVHRKW
     SANEIQVVVA TVAFGMGIDK PDVRFVIHHS MSKSMENYYQ ESGRAGRDDM KADCILYYGF
     GDIFRISSMV VMENVGQQKL YEMVSYCQNI SKCRRVLMAQ HFDEVWNSEA CNKMCDNCCK
     DSAFERKNIT EYCRDLIKIL KQAEELNEKL TPLKLIDSWM GKGAAKLRVA GVVAPTLPRE
     DLEKIIAHFL IQQYLKEDYS FTAYATISYL KIGPKANLLN NEAHAITMQV TKSTQNSFRA
     ESSQTCHSEQ GDKKMEEKNS GNFQKKAANM LQQSGSKNTG AKKRKIDDA
//
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