ID F7CMD8_ORNAN Unreviewed; 291 AA.
AC F7CMD8;
DT 27-JUL-2011, integrated into UniProtKB/TrEMBL.
DT 02-DEC-2020, sequence version 2.
DT 24-JAN-2024, entry version 58.
DE RecName: Full=Translocon-associated protein subunit alpha {ECO:0000256|ARBA:ARBA00020280, ECO:0000256|RuleBase:RU368074};
DE Short=TRAP-alpha {ECO:0000256|RuleBase:RU368074};
DE AltName: Full=Signal sequence receptor subunit alpha {ECO:0000256|ARBA:ARBA00031071, ECO:0000256|RuleBase:RU368074};
GN Name=SSR1 {ECO:0000313|Ensembl:ENSOANP00000023336.3};
OS Ornithorhynchus anatinus (Duckbill platypus).
OC Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia;
OC Monotremata; Ornithorhynchidae; Ornithorhynchus.
OX NCBI_TaxID=9258 {ECO:0000313|Ensembl:ENSOANP00000023336.3, ECO:0000313|Proteomes:UP000002279};
RN [1] {ECO:0000313|Ensembl:ENSOANP00000023336.3, ECO:0000313|Proteomes:UP000002279}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=Glennie {ECO:0000313|Ensembl:ENSOANP00000023336.3,
RC ECO:0000313|Proteomes:UP000002279};
RX PubMed=18464734; DOI=10.1038/nature06936;
RA Warren W.C., Hillier L.W., Marshall Graves J.A., Birney E., Ponting C.P.,
RA Grutzner F., Belov K., Miller W., Clarke L., Chinwalla A.T., Yang S.P.,
RA Heger A., Locke D.P., Miethke P., Waters P.D., Veyrunes F., Fulton L.,
RA Fulton B., Graves T., Wallis J., Puente X.S., Lopez-Otin C., Ordonez G.R.,
RA Eichler E.E., Chen L., Cheng Z., Deakin J.E., Alsop A., Thompson K.,
RA Kirby P., Papenfuss A.T., Wakefield M.J., Olender T., Lancet D.,
RA Huttley G.A., Smit A.F., Pask A., Temple-Smith P., Batzer M.A.,
RA Walker J.A., Konkel M.K., Harris R.S., Whittington C.M., Wong E.S.,
RA Gemmell N.J., Buschiazzo E., Vargas Jentzsch I.M., Merkel A., Schmitz J.,
RA Zemann A., Churakov G., Kriegs J.O., Brosius J., Murchison E.P.,
RA Sachidanandam R., Smith C., Hannon G.J., Tsend-Ayush E., McMillan D.,
RA Attenborough R., Rens W., Ferguson-Smith M., Lefevre C.M., Sharp J.A.,
RA Nicholas K.R., Ray D.A., Kube M., Reinhardt R., Pringle T.H., Taylor J.,
RA Jones R.C., Nixon B., Dacheux J.L., Niwa H., Sekita Y., Huang X., Stark A.,
RA Kheradpour P., Kellis M., Flicek P., Chen Y., Webber C., Hardison R.,
RA Nelson J., Hallsworth-Pepin K., Delehaunty K., Markovic C., Minx P.,
RA Feng Y., Kremitzki C., Mitreva M., Glasscock J., Wylie T., Wohldmann P.,
RA Thiru P., Nhan M.N., Pohl C.S., Smith S.M., Hou S., Nefedov M.,
RA de Jong P.J., Renfree M.B., Mardis E.R., Wilson R.K.;
RT "Genome analysis of the platypus reveals unique signatures of evolution.";
RL Nature 453:175-183(2008).
RN [2] {ECO:0000313|Ensembl:ENSOANP00000023336.3}
RP IDENTIFICATION.
RC STRAIN=Glennie {ECO:0000313|Ensembl:ENSOANP00000023336.3};
RG Ensembl;
RL Submitted (JUL-2023) to UniProtKB.
CC -!- FUNCTION: TRAP proteins are part of a complex whose function is to bind
CC calcium to the ER membrane and thereby regulate the retention of ER
CC resident proteins. May be involved in the recycling of the
CC translocation apparatus after completion of the translocation process
CC or may function as a membrane-bound chaperone facilitating folding of
CC translocated proteins. {ECO:0000256|ARBA:ARBA00025620,
CC ECO:0000256|RuleBase:RU368074}.
CC -!- SUBUNIT: Heterotetramer of TRAP-alpha, TRAP-beta, TRAP-delta and TRAP-
CC gamma. Interacts with palmitoylated calnexin (CALX), the interaction is
CC required for efficient folding of glycosylated proteins.
CC {ECO:0000256|ARBA:ARBA00025854}.
CC -!- SUBCELLULAR LOCATION: Endoplasmic reticulum membrane
CC {ECO:0000256|ARBA:ARBA00004115, ECO:0000256|RuleBase:RU368074}; Single-
CC pass type I membrane protein {ECO:0000256|ARBA:ARBA00004115,
CC ECO:0000256|RuleBase:RU368074}. Membrane
CC {ECO:0000256|ARBA:ARBA00004479}; Single-pass type I membrane protein
CC {ECO:0000256|ARBA:ARBA00004479}.
CC -!- DOMAIN: Shows a remarkable charge distribution with the N-terminus
CC being highly negatively charged, and the cytoplasmic C-terminus
CC positively charged. {ECO:0000256|RuleBase:RU368074}.
CC -!- SIMILARITY: Belongs to the TRAP-alpha family.
CC {ECO:0000256|ARBA:ARBA00006776, ECO:0000256|RuleBase:RU368074}.
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DR AlphaFoldDB; F7CMD8; -.
DR STRING; 9258.ENSOANP00000023336; -.
DR Ensembl; ENSOANT00000023340.4; ENSOANP00000023336.3; ENSOANG00000014818.4.
DR eggNOG; KOG1631; Eukaryota.
DR GeneTree; ENSGT00400000022103; -.
DR InParanoid; F7CMD8; -.
DR OMA; RCQSDSD; -.
DR OrthoDB; 5403315at2759; -.
DR TreeFam; TF321074; -.
DR Proteomes; UP000002279; Chromosome X3.
DR Bgee; ENSOANG00000014818; Expressed in ovary and 8 other cell types or tissues.
DR GO; GO:0005783; C:endoplasmic reticulum; IBA:GO_Central.
DR GO; GO:0005789; C:endoplasmic reticulum membrane; IEA:UniProtKB-SubCell.
DR InterPro; IPR005595; TRAP_alpha.
DR PANTHER; PTHR12924:SF0; TRANSLOCON-ASSOCIATED PROTEIN SUBUNIT ALPHA; 1.
DR PANTHER; PTHR12924; TRANSLOCON-ASSOCIATED PROTEIN, ALPHA SUBUNIT; 1.
DR Pfam; PF03896; TRAP_alpha; 1.
PE 3: Inferred from homology;
KW Calcium {ECO:0000256|RuleBase:RU368074};
KW Endoplasmic reticulum {ECO:0000256|ARBA:ARBA00022824,
KW ECO:0000256|RuleBase:RU368074};
KW Membrane {ECO:0000256|ARBA:ARBA00023136, ECO:0000256|RuleBase:RU368074};
KW Reference proteome {ECO:0000313|Proteomes:UP000002279};
KW Signal {ECO:0000256|ARBA:ARBA00022729, ECO:0000256|RuleBase:RU368074};
KW Transmembrane {ECO:0000256|ARBA:ARBA00022692,
KW ECO:0000256|RuleBase:RU368074};
KW Transmembrane helix {ECO:0000256|ARBA:ARBA00022989,
KW ECO:0000256|RuleBase:RU368074}.
FT SIGNAL 1..19
FT /evidence="ECO:0000256|SAM:SignalP"
FT CHAIN 20..291
FT /note="Translocon-associated protein subunit alpha"
FT /evidence="ECO:0000256|SAM:SignalP"
FT /id="PRO_5028290199"
FT TRANSMEM 208..229
FT /note="Helical"
FT /evidence="ECO:0000256|RuleBase:RU368074"
FT REGION 31..82
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT REGION 265..291
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT COMPBIAS 36..70
FT /note="Acidic residues"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ SEQUENCE 291 AA; 32459 MW; 18169CAB6D660101 CRC64;
MRFLPRLLLL ALLVLPATLL LGGGAGGSLA VAQDATEDEE AVEDTVVEDE DDEAEVEEDE
PTDLTEDKEE EDLSGEPKAS PNADTTILFV KGEDFPANNI VKFLVGFTNK GSEDFVVESL
DASFRYPQDY QFFIQNFTAL PLNTVVPPQK QATFEYSFIP AEPMGGRPFG LVINLNYKDV
NGNVFQDAVF NQTVTIVEKE DGLDGETIFM YMFLAGLGLL VIVGLHQLLE SRKRKRPVQK
VEMGTSNQND VDMSWIPQET LNQIMHSRRD KASPRRLPRK RVQKRAVGSD E
//