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Q9H9S3

- S61A2_HUMAN

UniProt

Q9H9S3 - S61A2_HUMAN

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Protein
Protein transport protein Sec61 subunit alpha isoform 2
Gene
SEC61A2
Organism
Homo sapiens (Human)
Status
Reviewed - Annotation score: 4 out of 5 - Experimental evidence at transcript leveli

Functioni

Appears to play a crucial role in the insertion of secretory and membrane polypeptides into the ER. It is required for assembly of membrane and secretory proteins. Found to be tightly associated with membrane-bound ribosomes, either directly or through adaptor proteins By similarity.

GO - Molecular functioni

  1. ribosome binding Source: Ensembl

GO - Biological processi

  1. antigen processing and presentation of exogenous peptide antigen via MHC class I Source: Reactome
  2. antigen processing and presentation of exogenous peptide antigen via MHC class I, TAP-dependent Source: Reactome
  3. antigen processing and presentation of peptide antigen via MHC class I Source: Reactome
  4. protein transport Source: UniProtKB-KW
Complete GO annotation...

Keywords - Biological processi

Protein transport, Translocation, Transport

Enzyme and pathway databases

ReactomeiREACT_111178. ER-Phagosome pathway.
REACT_115902. SRP-dependent cotranslational protein targeting to membrane.

Protein family/group databases

TCDBi3.A.5.9.1. the general secretory pathway (sec) family.

Names & Taxonomyi

Protein namesi
Recommended name:
Protein transport protein Sec61 subunit alpha isoform 2
Short name:
Sec61 alpha-2
Gene namesi
Name:SEC61A2
OrganismiHomo sapiens (Human)
Taxonomic identifieri9606 [NCBI]
Taxonomic lineageiEukaryotaMetazoaChordataCraniataVertebrataEuteleostomiMammaliaEutheriaEuarchontogliresPrimatesHaplorrhiniCatarrhiniHominidaeHomo
ProteomesiUP000005640: Chromosome 10

Organism-specific databases

HGNCiHGNC:17702. SEC61A2.

Subcellular locationi

Topology

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Topological domaini2 – 3332Cytoplasmic Reviewed prediction
Add
BLAST
Transmembranei34 – 5320Helical; Reviewed prediction
Add
BLAST
Topological domaini54 – 7623Lumenal Reviewed prediction
Add
BLAST
Transmembranei77 – 9620Helical; Reviewed prediction
Add
BLAST
Topological domaini97 – 11721Cytoplasmic Reviewed prediction
Add
BLAST
Transmembranei118 – 13821Helical; Reviewed prediction
Add
BLAST
Topological domaini139 – 1446Lumenal Reviewed prediction
Transmembranei145 – 16521Helical; Reviewed prediction
Add
BLAST
Topological domaini166 – 1727Cytoplasmic Reviewed prediction
Transmembranei173 – 19321Helical; Reviewed prediction
Add
BLAST
Topological domaini194 – 24047Lumenal Reviewed prediction
Add
BLAST
Transmembranei241 – 26121Helical; Reviewed prediction
Add
BLAST
Topological domaini262 – 28827Cytoplasmic Reviewed prediction
Add
BLAST
Transmembranei289 – 30921Helical; Reviewed prediction
Add
BLAST
Topological domaini310 – 35445Lumenal Reviewed prediction
Add
BLAST
Transmembranei355 – 37521Helical; Reviewed prediction
Add
BLAST
Topological domaini376 – 42045Cytoplasmic Reviewed prediction
Add
BLAST
Transmembranei421 – 44121Helical; Reviewed prediction
Add
BLAST
Topological domaini442 – 4454Lumenal Reviewed prediction
Transmembranei446 – 46217Helical; Reviewed prediction
Add
BLAST
Topological domaini463 – 47614Cytoplasmic Reviewed prediction
Add
BLAST

GO - Cellular componenti

  1. endoplasmic reticulum membrane Source: UniProtKB-SubCell
  2. integral component of membrane Source: UniProtKB-KW
Complete GO annotation...

Keywords - Cellular componenti

Endoplasmic reticulum, Membrane

Pathology & Biotechi

Organism-specific databases

PharmGKBiPA134861382.

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Initiator methioninei1 – 11Removed By similarity
Chaini2 – 476475Protein transport protein Sec61 subunit alpha isoform 2
PRO_0000131795Add
BLAST

Proteomic databases

MaxQBiQ9H9S3.
PRIDEiQ9H9S3.

PTM databases

PhosphoSiteiQ9H9S3.

Expressioni

Gene expression databases

ArrayExpressiQ9H9S3.
BgeeiQ9H9S3.
CleanExiHS_SEC61A2.
GenevestigatoriQ9H9S3.

Interactioni

Subunit structurei

Heterotrimeric complex composed of SEC61-alpha, SEC61-beta and SEC61-gamma By similarity.

Protein-protein interaction databases

BioGridi120475. 5 interactions.
IntActiQ9H9S3. 4 interactions.
STRINGi9606.ENSP00000298428.

Structurei

3D structure databases

ProteinModelPortaliQ9H9S3.
SMRiQ9H9S3. Positions 25-476.

Family & Domainsi

Sequence similaritiesi

Belongs to the SecY/SEC61-alpha family.

Keywords - Domaini

Transmembrane, Transmembrane helix

Phylogenomic databases

HOGENOMiHOG000231249.
HOVERGENiHBG055271.
KOiK10956.
OMAiFHGNFLI.
PhylomeDBiQ9H9S3.
TreeFamiTF300348.

Family and domain databases

Gene3Di1.10.3370.10. 1 hit.
InterProiIPR002208. SecY/SEC61-alpha.
IPR023201. SecY_su_dom.
IPR019561. Translocon_Sec61/SecY_plug_dom.
[Graphical view]
PANTHERiPTHR10906. PTHR10906. 1 hit.
PfamiPF10559. Plug_translocon. 1 hit.
PF00344. SecY. 1 hit.
[Graphical view]
PIRSFiPIRSF004557. SecY. 1 hit.
SUPFAMiSSF103491. SSF103491. 1 hit.
TIGRFAMsiTIGR00967. 3a0501s007. 1 hit.
PROSITEiPS00755. SECY_1. 1 hit.
PS00756. SECY_2. 1 hit.
[Graphical view]

Sequences (3)i

Sequence statusi: Complete.

Sequence processingi: The displayed sequence is further processed into a mature form.

This entry describes 3 isoformsi produced by alternative splicing. Align

Isoform 1 (identifier: Q9H9S3-1) [UniParc]FASTAAdd to Basket

This isoform has been chosen as the 'canonical' sequence. All positional information in this entry refers to it. This is also the sequence that appears in the downloadable versions of the entry.

« Hide

MGIKFLEVIK PFCAVLPEIQ KPERKIQFRE KVLWTAITLF IFLVCCQIPL    50
FGIMSSDSAD PFYWMRVILA SNRGTLMELG ISPIVTSGLI MQLLAGAKII 100
EVGDTPKDRA LFNGAQKLFG MIITIGQAIV YVMTGMYGDP AEMGAGICLL 150
IIIQLFVAGL IVLLLDELLQ KGYGLGSGIS LFIATNICET IVWKAFSPTT 200
INTGRGTEFE GAVIALFHLL ATRTDKVRAL REAFYRQNLP NLMNLIATVF 250
VFAVVIYFQG FRVDLPIKSA RYRGQYSSYP IKLFYTSNIP IILQSALVSN 300
LYVISQMLSV RFSGNFLVNL LGQWADVSGG GPARSYPVGG LCYYLSPPES 350
MGAIFEDPVH VVVYIIFMLG SCAFFSKTWI EVSGSSAKDV AKQLKEQQMV 400
MRGHRDTSMV HELNRYIPTA AAFGGLCIGA LSVLADFLGA IGSGTGILLA 450
VTIIYQYFEI FVKEQAEVGG MGALFF 476
Length:476
Mass (Da):52,248
Last modified:January 23, 2007 - v3
Checksum:i87CC8E7D366C2C37
GO
Isoform 2 (identifier: Q9H9S3-2) [UniParc]FASTAAdd to Basket

The sequence of this isoform differs from the canonical sequence as follows:
     416-476: YIPTAAAFGG...EVGGMGALFF → PKVKLRRWKGEGRHFTKRILFY

Note: No experimental confirmation available.

Show »
Length:437
Mass (Da):48,787
Checksum:i6566C69D09393E35
GO
Isoform 3 (identifier: Q9H9S3-3) [UniParc]FASTAAdd to Basket

The sequence of this isoform differs from the canonical sequence as follows:
     26-47: Missing.

Note: No experimental confirmation available.

Show »
Length:454
Mass (Da):49,593
Checksum:iB5FC2AE8AB2B312C
GO

Alternative sequence

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Alternative sequencei26 – 4722Missing in isoform 3.
VSP_046380Add
BLAST
Alternative sequencei416 – 47661YIPTA…GALFF → PKVKLRRWKGEGRHFTKRIL FY in isoform 2.
VSP_010472Add
BLAST

Sequence conflict

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Sequence conflicti16 – 161L → P in BAB14148. 1 Publication
Sequence conflicti133 – 1331M → I in BAB14148. 1 Publication
Sequence conflicti370 – 3701G → E in BAG63284. 1 Publication

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
AF346603 mRNA. Translation: AAK29084.1.
AK022640 mRNA. Translation: BAB14148.1.
AK292295 mRNA. Translation: BAF84984.1.
AK301841 mRNA. Translation: BAG63284.1.
AC073160 Genomic DNA. No translation available.
CH471072 Genomic DNA. Translation: EAW86324.1.
CCDSiCCDS44358.1. [Q9H9S3-2]
CCDS44359.1. [Q9H9S3-3]
CCDS7088.1. [Q9H9S3-1]
RefSeqiNP_001136099.1. NM_001142627.1. [Q9H9S3-2]
NP_001136100.1. NM_001142628.1. [Q9H9S3-3]
NP_060614.2. NM_018144.3. [Q9H9S3-1]
UniGeneiHs.112955.

Genome annotation databases

EnsembliENST00000298428; ENSP00000298428; ENSG00000065665. [Q9H9S3-1]
ENST00000304267; ENSP00000302048; ENSG00000065665. [Q9H9S3-2]
ENST00000379033; ENSP00000368319; ENSG00000065665. [Q9H9S3-3]
GeneIDi55176.
KEGGihsa:55176.
UCSCiuc001ile.2. human. [Q9H9S3-1]
uc001ilg.4. human. [Q9H9S3-2]

Polymorphism databases

DMDMi48477069.

Keywords - Coding sequence diversityi

Alternative splicing

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
AF346603 mRNA. Translation: AAK29084.1 .
AK022640 mRNA. Translation: BAB14148.1 .
AK292295 mRNA. Translation: BAF84984.1 .
AK301841 mRNA. Translation: BAG63284.1 .
AC073160 Genomic DNA. No translation available.
CH471072 Genomic DNA. Translation: EAW86324.1 .
CCDSi CCDS44358.1. [Q9H9S3-2 ]
CCDS44359.1. [Q9H9S3-3 ]
CCDS7088.1. [Q9H9S3-1 ]
RefSeqi NP_001136099.1. NM_001142627.1. [Q9H9S3-2 ]
NP_001136100.1. NM_001142628.1. [Q9H9S3-3 ]
NP_060614.2. NM_018144.3. [Q9H9S3-1 ]
UniGenei Hs.112955.

3D structure databases

ProteinModelPortali Q9H9S3.
SMRi Q9H9S3. Positions 25-476.
ModBasei Search...
MobiDBi Search...

Protein-protein interaction databases

BioGridi 120475. 5 interactions.
IntActi Q9H9S3. 4 interactions.
STRINGi 9606.ENSP00000298428.

Protein family/group databases

TCDBi 3.A.5.9.1. the general secretory pathway (sec) family.

PTM databases

PhosphoSitei Q9H9S3.

Polymorphism databases

DMDMi 48477069.

Proteomic databases

MaxQBi Q9H9S3.
PRIDEi Q9H9S3.

Protocols and materials databases

DNASUi 55176.
Structural Biology Knowledgebase Search...

Genome annotation databases

Ensembli ENST00000298428 ; ENSP00000298428 ; ENSG00000065665 . [Q9H9S3-1 ]
ENST00000304267 ; ENSP00000302048 ; ENSG00000065665 . [Q9H9S3-2 ]
ENST00000379033 ; ENSP00000368319 ; ENSG00000065665 . [Q9H9S3-3 ]
GeneIDi 55176.
KEGGi hsa:55176.
UCSCi uc001ile.2. human. [Q9H9S3-1 ]
uc001ilg.4. human. [Q9H9S3-2 ]

Organism-specific databases

CTDi 55176.
GeneCardsi GC10P012171.
HGNCi HGNC:17702. SEC61A2.
neXtProti NX_Q9H9S3.
PharmGKBi PA134861382.
GenAtlasi Search...

Phylogenomic databases

HOGENOMi HOG000231249.
HOVERGENi HBG055271.
KOi K10956.
OMAi FHGNFLI.
PhylomeDBi Q9H9S3.
TreeFami TF300348.

Enzyme and pathway databases

Reactomei REACT_111178. ER-Phagosome pathway.
REACT_115902. SRP-dependent cotranslational protein targeting to membrane.

Miscellaneous databases

GenomeRNAii 55176.
NextBioi 58975.
PROi Q9H9S3.

Gene expression databases

ArrayExpressi Q9H9S3.
Bgeei Q9H9S3.
CleanExi HS_SEC61A2.
Genevestigatori Q9H9S3.

Family and domain databases

Gene3Di 1.10.3370.10. 1 hit.
InterProi IPR002208. SecY/SEC61-alpha.
IPR023201. SecY_su_dom.
IPR019561. Translocon_Sec61/SecY_plug_dom.
[Graphical view ]
PANTHERi PTHR10906. PTHR10906. 1 hit.
Pfami PF10559. Plug_translocon. 1 hit.
PF00344. SecY. 1 hit.
[Graphical view ]
PIRSFi PIRSF004557. SecY. 1 hit.
SUPFAMi SSF103491. SSF103491. 1 hit.
TIGRFAMsi TIGR00967. 3a0501s007. 1 hit.
PROSITEi PS00755. SECY_1. 1 hit.
PS00756. SECY_2. 1 hit.
[Graphical view ]
ProtoNeti Search...

Publicationsi

« Hide 'large scale' publications
  1. "Sec61 alpha isoforms."
    Finke K., Prehn S., Hartmann E.
    Submitted (FEB-2001) to the EMBL/GenBank/DDBJ databases
    Cited for: NUCLEOTIDE SEQUENCE [MRNA] (ISOFORM 1).
  2. "Complete sequencing and characterization of 21,243 full-length human cDNAs."
    Ota T., Suzuki Y., Nishikawa T., Otsuki T., Sugiyama T., Irie R., Wakamatsu A., Hayashi K., Sato H., Nagai K., Kimura K., Makita H., Sekine M., Obayashi M., Nishi T., Shibahara T., Tanaka T., Ishii S.
    , Yamamoto J., Saito K., Kawai Y., Isono Y., Nakamura Y., Nagahari K., Murakami K., Yasuda T., Iwayanagi T., Wagatsuma M., Shiratori A., Sudo H., Hosoiri T., Kaku Y., Kodaira H., Kondo H., Sugawara M., Takahashi M., Kanda K., Yokoi T., Furuya T., Kikkawa E., Omura Y., Abe K., Kamihara K., Katsuta N., Sato K., Tanikawa M., Yamazaki M., Ninomiya K., Ishibashi T., Yamashita H., Murakawa K., Fujimori K., Tanai H., Kimata M., Watanabe M., Hiraoka S., Chiba Y., Ishida S., Ono Y., Takiguchi S., Watanabe S., Yosida M., Hotuta T., Kusano J., Kanehori K., Takahashi-Fujii A., Hara H., Tanase T.-O., Nomura Y., Togiya S., Komai F., Hara R., Takeuchi K., Arita M., Imose N., Musashino K., Yuuki H., Oshima A., Sasaki N., Aotsuka S., Yoshikawa Y., Matsunawa H., Ichihara T., Shiohata N., Sano S., Moriya S., Momiyama H., Satoh N., Takami S., Terashima Y., Suzuki O., Nakagawa S., Senoh A., Mizoguchi H., Goto Y., Shimizu F., Wakebe H., Hishigaki H., Watanabe T., Sugiyama A., Takemoto M., Kawakami B., Yamazaki M., Watanabe K., Kumagai A., Itakura S., Fukuzumi Y., Fujimori Y., Komiyama M., Tashiro H., Tanigami A., Fujiwara T., Ono T., Yamada K., Fujii Y., Ozaki K., Hirao M., Ohmori Y., Kawabata A., Hikiji T., Kobatake N., Inagaki H., Ikema Y., Okamoto S., Okitani R., Kawakami T., Noguchi S., Itoh T., Shigeta K., Senba T., Matsumura K., Nakajima Y., Mizuno T., Morinaga M., Sasaki M., Togashi T., Oyama M., Hata H., Watanabe M., Komatsu T., Mizushima-Sugano J., Satoh T., Shirai Y., Takahashi Y., Nakagawa K., Okumura K., Nagase T., Nomura N., Kikuchi H., Masuho Y., Yamashita R., Nakai K., Yada T., Nakamura Y., Ohara O., Isogai T., Sugano S.
    Nat. Genet. 36:40-45(2004) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA] (ISOFORMS 1; 2 AND 3).
    Tissue: Testis.
  3. "The DNA sequence and comparative analysis of human chromosome 10."
    Deloukas P., Earthrowl M.E., Grafham D.V., Rubenfield M., French L., Steward C.A., Sims S.K., Jones M.C., Searle S., Scott C., Howe K., Hunt S.E., Andrews T.D., Gilbert J.G.R., Swarbreck D., Ashurst J.L., Taylor A., Battles J.
    , Bird C.P., Ainscough R., Almeida J.P., Ashwell R.I.S., Ambrose K.D., Babbage A.K., Bagguley C.L., Bailey J., Banerjee R., Bates K., Beasley H., Bray-Allen S., Brown A.J., Brown J.Y., Burford D.C., Burrill W., Burton J., Cahill P., Camire D., Carter N.P., Chapman J.C., Clark S.Y., Clarke G., Clee C.M., Clegg S., Corby N., Coulson A., Dhami P., Dutta I., Dunn M., Faulkner L., Frankish A., Frankland J.A., Garner P., Garnett J., Gribble S., Griffiths C., Grocock R., Gustafson E., Hammond S., Harley J.L., Hart E., Heath P.D., Ho T.P., Hopkins B., Horne J., Howden P.J., Huckle E., Hynds C., Johnson C., Johnson D., Kana A., Kay M., Kimberley A.M., Kershaw J.K., Kokkinaki M., Laird G.K., Lawlor S., Lee H.M., Leongamornlert D.A., Laird G., Lloyd C., Lloyd D.M., Loveland J., Lovell J., McLaren S., McLay K.E., McMurray A., Mashreghi-Mohammadi M., Matthews L., Milne S., Nickerson T., Nguyen M., Overton-Larty E., Palmer S.A., Pearce A.V., Peck A.I., Pelan S., Phillimore B., Porter K., Rice C.M., Rogosin A., Ross M.T., Sarafidou T., Sehra H.K., Shownkeen R., Skuce C.D., Smith M., Standring L., Sycamore N., Tester J., Thorpe A., Torcasso W., Tracey A., Tromans A., Tsolas J., Wall M., Walsh J., Wang H., Weinstock K., West A.P., Willey D.L., Whitehead S.L., Wilming L., Wray P.W., Young L., Chen Y., Lovering R.C., Moschonas N.K., Siebert R., Fechtel K., Bentley D., Durbin R.M., Hubbard T., Doucette-Stamm L., Beck S., Smith D.R., Rogers J.
    Nature 429:375-381(2004) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
  4. Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].

Entry informationi

Entry nameiS61A2_HUMAN
AccessioniPrimary (citable) accession number: Q9H9S3
Secondary accession number(s): A8K8D0, B4DX72, F8W773
Entry historyi
Integrated into UniProtKB/Swiss-Prot: June 7, 2004
Last sequence update: January 23, 2007
Last modified: September 3, 2014
This is version 103 of the entry and version 3 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programChordata Protein Annotation Program
DisclaimerAny medical or genetic information present in this entry is provided for research, educational and informational purposes only. It is not in any way intended to be used as a substitute for professional medical advice, diagnosis, treatment or care.

Miscellaneousi

Keywords - Technical termi

Complete proteome, Reference proteome

Documents

  1. Human chromosome 10
    Human chromosome 10: entries, gene names and cross-references to MIM
  2. SIMILARITY comments
    Index of protein domains and families

External Data

Dasty 3

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