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Protein

HLA class I histocompatibility antigen, A-80 alpha chain

Gene

HLA-A

Organism
Homo sapiens (Human)
Status
Reviewed-Annotation score: -Experimental evidence at protein leveli

Functioni

Involved in the presentation of foreign antigens to the immune system.

GO - Molecular functioni

GO - Biological processi

Keywordsi

Biological processImmunity

Enzyme and pathway databases

ReactomeiR-HSA-1236974 ER-Phagosome pathway
R-HSA-1236977 Endosomal/Vacuolar pathway
R-HSA-198933 Immunoregulatory interactions between a Lymphoid and a non-Lymphoid cell
R-HSA-877300 Interferon gamma signaling
R-HSA-909733 Interferon alpha/beta signaling
R-HSA-983170 Antigen Presentation: Folding, assembly and peptide loading of class I MHC

Names & Taxonomyi

Protein namesi
Recommended name:
HLA class I histocompatibility antigen, A-80 alpha chain
Alternative name(s):
Aw-80
HLA class I histocompatibility antigen, A-1 alpha chain
MHC class I antigen A*80
Gene namesi
Name:HLA-A
Synonyms:HLAA
OrganismiHomo sapiens (Human)
Taxonomic identifieri9606 [NCBI]
Taxonomic lineageiEukaryotaMetazoaChordataCraniataVertebrataEuteleostomiMammaliaEutheriaEuarchontogliresPrimatesHaplorrhiniCatarrhiniHominidaeHomo
Proteomesi
  • UP000005640 Componenti: Chromosome 6

Organism-specific databases

HGNCiHGNC:4931 HLA-A
MIMi142800 gene
neXtProtiNX_Q09160

Subcellular locationi

Extracellular region or secreted Cytosol Plasma membrane Cytoskeleton Lysosome Endosome Peroxisome ER Golgi apparatus Nucleus Mitochondrion Manual annotation Automatic computational assertionGraphics by Christian Stolte; Source: COMPARTMENTS

Topology

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Topological domaini25 – 308ExtracellularSequence analysisAdd BLAST284
Transmembranei309 – 332HelicalSequence analysisAdd BLAST24
Topological domaini333 – 365CytoplasmicSequence analysisAdd BLAST33

Keywords - Cellular componenti

Membrane, MHC I

Pathology & Biotechi

Organism-specific databases

DisGeNETi3105
MalaCardsiHLA-A

Polymorphism and mutation databases

DMDMi1168212

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Signal peptidei1 – 24Add BLAST24
ChainiPRO_000001883225 – 365HLA class I histocompatibility antigen, A-80 alpha chainAdd BLAST341

Amino acid modifications

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Glycosylationi110N-linked (GlcNAc...) asparagineBy similarity1
Disulfide bondi125 ↔ 188PROSITE-ProRule annotation
Disulfide bondi227 ↔ 283PROSITE-ProRule annotation
Modified residuei343PhosphoserineBy similarity1
Modified residuei344PhosphotyrosineBy similarity1
Modified residuei345PhosphoserineBy similarity1
Modified residuei349PhosphoserineBy similarity1
Modified residuei350PhosphoserineCombined sources1
Modified residuei352PhosphoserineCombined sources1
Modified residuei356PhosphoserineCombined sources1
Modified residuei359PhosphoserineCombined sources1

Post-translational modificationi

Polyubiquitinated in a post ER compartment by interaction with human herpesvirus 8 MIR1 protein. This targets the protein for rapid degradation via the ubiquitin system (By similarity).By similarity

Keywords - PTMi

Disulfide bond, Glycoprotein, Phosphoprotein, Ubl conjugation

Proteomic databases

EPDiQ09160
MaxQBiQ09160
PeptideAtlasiQ09160
PRIDEiQ09160

PTM databases

iPTMnetiQ09160
SwissPalmiQ09160

Expressioni

Gene expression databases

CleanExiHS_HLA-A

Interactioni

Subunit structurei

Heterodimer of an alpha chain and a beta chain (beta-2-microglobulin).By similarity

GO - Molecular functioni

Structurei

3D structure databases

ProteinModelPortaliQ09160
SMRiQ09160
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Domains and Repeats

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Domaini209 – 297Ig-like C1-typeAdd BLAST89

Region

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Regioni25 – 114Alpha-1Add BLAST90
Regioni115 – 206Alpha-2Add BLAST92
Regioni207 – 298Alpha-3Add BLAST92
Regioni299 – 308Connecting peptide10

Sequence similaritiesi

Belongs to the MHC class I family.Curated

Keywords - Domaini

Signal, Transmembrane, Transmembrane helix

Phylogenomic databases

HOVERGENiHBG016709

Family and domain databases

Gene3Di2.60.40.10, 1 hit
3.30.500.10, 1 hit
InterProiView protein in InterPro
IPR007110 Ig-like_dom
IPR036179 Ig-like_dom_sf
IPR013783 Ig-like_fold
IPR003006 Ig/MHC_CS
IPR003597 Ig_C1-set
IPR011161 MHC_I-like_Ag-recog
IPR037055 MHC_I-like_Ag-recog_sf
IPR011162 MHC_I/II-like_Ag-recog
IPR001039 MHC_I_a_a1/a2
IPR010579 MHC_I_a_C
PfamiView protein in Pfam
PF07654 C1-set, 1 hit
PF00129 MHC_I, 1 hit
PF06623 MHC_I_C, 1 hit
PRINTSiPR01638 MHCCLASSI
SMARTiView protein in SMART
SM00407 IGc1, 1 hit
SUPFAMiSSF48726 SSF48726, 1 hit
SSF54452 SSF54452, 1 hit
PROSITEiView protein in PROSITE
PS50835 IG_LIKE, 1 hit
PS00290 IG_MHC, 1 hit

Sequencei

Sequence statusi: Complete.

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

Q09160-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MAVMPPRTLL LLLSGALALT QTWAGSHSMR YFFTSVSRPG RGEPRFIAVG
60 70 80 90 100
YVDDSQFVQF DSDAASQRME PRAPWIEQEE PEYWDEETRN VKAHSQTNRA
110 120 130 140 150
NLGTLRGYYN QSEDGSHTIQ IMYGCDVGSD GRFLRGYRQD AYDGKDYIAL
160 170 180 190 200
NEDLRSWTAA DMAAQITKRK WEAARRAEQL RAYLEGECVD GLRRYLENGK
210 220 230 240 250
ETLQRTDPPK THMTHHPISD HEATLRCWAL SFYPAEITLT WQRDGEDQTQ
260 270 280 290 300
DTELVETRPA GDGTFQKWAA VVVPSGKEKR YTCHVQHEGL PEPLTLRWEP
310 320 330 340 350
SSQPTIPIVG IIAGLVLLGA VIAGAVVAAV MWRKKSSVRK GGSYSQAASS
360
DSAQGSDVSL TACKV
Length:365
Mass (Da):40,792
Last modified:November 1, 1995 - v1
Checksum:iCE1BC1CD60CA8FA8
GO

Polymorphismi

The only allele of A-80 known is A*80:01 which is shown here.Curated

Natural variant

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Natural variantiVAR_056313121I → M. Corresponds to variant dbSNP:rs1136695Ensembl.1
Natural variantiVAR_056314129S → P. Corresponds to variant dbSNP:rs1136700Ensembl.1
Natural variantiVAR_056315131G → W. Corresponds to variant dbSNP:rs1136702Ensembl.1
Natural variantiVAR_056316133F → L. Corresponds to variant dbSNP:rs1059488Ensembl.1
Natural variantiVAR_056317151N → K. Corresponds to variant dbSNP:rs1059509Ensembl.1
Natural variantiVAR_056318166I → TCombined sourcesCorresponds to variant dbSNP:rs1059516Ensembl.1
Natural variantiVAR_056319169R → H. Corresponds to variant dbSNP:rs1059520Ensembl.1
Natural variantiVAR_056320205R → H. Corresponds to variant dbSNP:rs17185861Ensembl.1

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
U03754 mRNA Translation: AAC04322.1
L18898 mRNA Translation: AAA17012.1
PIRiI59638 I38439
UniGeneiHs.181244
Hs.713441

Genome annotation databases

EnsembliENST00000431930; ENSP00000406366; ENSG00000229215
ENST00000443552; ENSP00000404678; ENSG00000224320

Keywords - Coding sequence diversityi

Polymorphism

Similar proteinsi

Entry informationi

Entry namei1A80_HUMAN
AccessioniPrimary (citable) accession number: Q09160
Entry historyiIntegrated into UniProtKB/Swiss-Prot: November 1, 1995
Last sequence update: November 1, 1995
Last modified: July 18, 2018
This is version 137 of the entry and version 1 of the sequence. See 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 6
    Human chromosome 6: entries, gene names and cross-references to MIM
  2. Human entries with polymorphisms or disease mutations
    List of human entries with polymorphisms or disease mutations
  3. Human polymorphisms and disease mutations
    Index of human polymorphisms and disease mutations
  4. MIM cross-references
    Online Mendelian Inheritance in Man (MIM) cross-references in UniProtKB/Swiss-Prot
  5. SIMILARITY comments
    Index of protein domains and families

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