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Gene Gene information from NCBI Gene database.
Entrez ID 3105
Gene name Major histocompatibility complex, class I, A
Gene symbol HLA-A
Synonyms (NCBI Gene)
HLAA
Chromosome 6
Chromosome location 6p22.1
Summary HLA-A belongs to the HLA class I heavy chain paralogues. This class I molecule is a heterodimer consisting of a heavy chain and a light chain (beta-2 microglobulin). The heavy chain is anchored in the membrane. Class I molecules play a central role in the
SNPs SNP information provided by dbSNP.
1
SNP ID Visualize variation Clinical significance Consequence
rs1061235 A>T Risk-factor 3 prime UTR variant
miRNA miRNA information provided by mirtarbase database.
303 Show/Hide all (303)
miRTarBase ID miRNA Experiments Reference
MIRT019424 hsa-miR-148b-3p Microarray 17612493
MIRT021411 hsa-miR-9-5p Microarray 17612493
MIRT022132 hsa-miR-124-3p Microarray 18668037
MIRT025003 hsa-miR-183-5p Sequencing 20371350
MIRT040433 hsa-miR-615-3p CLASH 23622248
Transcription factors Transcription factors information provided by TRRUST V2 database.
6 Show/Hide all (6)
Transcription factor Regulation Reference
CIITA Activation 10329350
HIVEP2 Unknown 1409593
IRF1 Activation 19428110
MYC Activation 8206526
MYCN Unknown 8895520
Gene ontology (GO) Gene Ontology (GO) annotations describing the biological processes, molecular functions, and cellular components associated with a gene.
79 Show/Hide all (79)
GO ID Ontology Definition Evidence Reference
GO:0000139 Component Golgi membrane IEA
GO:0000139 Component Golgi membrane TAS
GO:0001913 Process T cell mediated cytotoxicity IDA 7504010
GO:0001916 Process Positive regulation of T cell mediated cytotoxicity IBA
GO:0001916 Process Positive regulation of T cell mediated cytotoxicity IDA 2420472, 8805302, 22031944, 25631937
Other IDs Other IDs provides unique identifiers for this gene in OMIM, HGNC, and Ensembl databases.
MIM HGNC e!Ensembl
142800 4931 ENSG00000206503
Protein Protein information from UniProt database.
UniProt ID Unique identifier for the protein in the UniProt database. Click to view detailed protein information.
P04439
Protein name HLA class I histocompatibility antigen, A alpha chain (Human leukocyte antigen A) (HLA-A)
Protein function Antigen-presenting major histocompatibility complex class I (MHCI) molecule. In complex with B2M/beta 2 microglobulin displays primarily viral and tumor-derived peptides on antigen-presenting cells for recognition by alpha-beta T cell receptor (
PDB 1AKJ , 1AO7 , 1AQD , 1B0G , 1B0R , 1BD2 , 1DUY , 1DUZ , 1EEY , 1EEZ , 1HHG , 1HHH , 1HHI , 1HHJ , 1HHK , 1HLA , 1HSB , 1I1F , 1I1Y , 1I4F , 1I7R , 1I7T , 1I7U , 1IM3 , 1JF1 , 1JHT , 1LP9 , 1OGA , 1P7Q , 1Q94 , 1QEW , 1QR1 , 1QRN , 1QSE , 1QSF , 1QVO , 1S8D , 1S9W , 1S9X , 1S9Y , 1T1W , 1T1X , 1T1Y , 1T1Z , 1T20 , 1T21 , 1T22 , 1TMC , 1TVB , 1TVH , 1W72
Family and domains

Pfam

Accession ID Position in sequence Description Type
PF00129 MHC_I 25 → 203 Class I Histocompatibility antigen, domains alpha 1 and 2 Domain
PF06623 MHC_I_C 337 → 364 MHC_I C-terminus Family
PF07654 C1-set 210 → 290 Immunoglobulin C1-set domain Domain
Tissue specificity TISSUE SPECIFICITY: Ubiquitous. {ECO:0000305}.
Sequence
Sequence length 365
Interactions View interactions
Pathways Pathway information has different metabolic/signaling pathways associated with genes.
KEGG Pathway Reactome Pathway
Endocytosis ER-Phagosome pathway
Phagosome Endosomal/Vacuolar pathway
Cellular senescence Nef mediated downregulation of MHC class I complex cell surface expression
Cell adhesion molecules Immunoregulatory interactions between a Lymphoid and a non-Lymphoid cell
Antigen processing and presentation Neutrophil degranulation
Natural killer cell mediated cytotoxicity Interferon gamma signaling
Type I diabetes mellitus E3 ubiquitin ligases ubiquitinate target proteins
Human cytomegalovirus infection Interferon alpha/beta signaling
Human papillomavirus infection Antigen Presentation: Folding, assembly and peptide loading of class I MHC
Human T-cell leukemia virus 1 infection  
Kaposi sarcoma-associated herpesvirus infection  
Herpes simplex virus 1 infection  
Epstein-Barr virus infection  
Human immunodeficiency virus 1 infection  
Viral carcinogenesis  
Autoimmune thyroid disease  
Allograft rejection  
Graft-versus-host disease  
Viral myocarditis  
Associated diseases Disease associations from ClinVar (causal & non-causal) and other databases (OMIM, Orphanet, GWAS, etc.).
43
Evidence Score: ★☆☆☆☆  Gene-disease association found in Text Mining only ★★☆☆☆  Found in Text Mining and Unknown/Other Associations ★★★☆☆  Reported in Unknown/Other Associations across ≥2 Sources ★★★★☆  ClinVar: Pathogenic/Likely Pathogenic (<5 Variants) ★★★★★  ClinVar: Pathogenic/Likely Pathogenic (≥5 Variants)
Unknown / Other Associations ClinVar entries with uncertain/conflicting evidence, and associations from other databases (OMIM, Orphanet, GWAS, etc.) where the gene is not established as causal.
Show/Hide Unknown Diseases (43)
Phenotype Name Clinical Significance Source Reference Evidence Score
Abnormality of neuronal migration Benign ClinVar —
★★★★★
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
Acute myeloid leukemia - ClinVar —
★★★★★
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
Adrenocortical carcinoma, hereditary - ClinVar —
★★★★★
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
AORTIC ARCH SYNDROMES — Disgenet —
★★★★★
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
ATOPIC ECZEMA — GWAS catalog 39024449
★★★★★
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
Associations from Text Mining Disease associations identified through text mining
Show/Hide Text Mining Associations (414)
Disease Name Disease (Merged) Source PMID Relationship Type Evidence Score
Acute Coronary Syndrome Coronary Syndrome BEFREE 17212707
★★★★★
★☆☆☆☆
Found in Text Mining only
Acute intermittent porphyria Intermittent Porphyria BEFREE 21411999
★★★★★
★☆☆☆☆
Found in Text Mining only
Acute leukemia Leukemia BEFREE 462470, 6453845, 6785965
★★★★★
★☆☆☆☆
Found in Text Mining only
Acute lymphocytic leukemia Lymphocytic Leukemia BEFREE 21820609, 23178241, 26456260, 30655602, 3209056
★★★★★
★☆☆☆☆
Found in Text Mining only
Acute monocytic leukemia Monocytic Leukemia BEFREE 17990988
★★★★★
★☆☆☆☆
Found in Text Mining only
Adenocarcinoma Adenocarcinoma BEFREE 15254047, 9023415, 9096641
★★★★★
★☆☆☆☆
Found in Text Mining only
Adenocarcinoma Of Esophagus Esophageal Cancer BEFREE 30709841
★★★★★
★☆☆☆☆
Found in Text Mining only
Adenocarcinoma of lung (disorder) Lung adenocarcinoma GWASDB_DG 19836008
★★★★★
★☆☆☆☆
Found in Text Mining only
Adenocarcinoma of lung (disorder) Lung adenocarcinoma BEFREE 29555781
★★★★★
★☆☆☆☆
Found in Text Mining only
Adenoma of large intestine Colorectal adenoma BEFREE 2473473
★★★★★
★☆☆☆☆
Found in Text Mining only