Gene
HLA-A
major histocompatibility complex, class I, A
- HGNC 4931↗(opens in a new tab)
- Ensembl gene ENSG00000206503↗(opens in a new tab)
- NCBI Gene 3105↗(opens in a new tab)
Summary
- Cytogenetic location
- 6p22.1
- Coordinates
- Chromosome 6: 29,942,532–29,945,870 (GRCh38)
- Exons
- 8 exons across 3.3 kb
- Protein
- 365 amino acids
- MANE Select transcript
- ENST00000376809.10NM_002116.8
- Locus type
- gene with protein product
- Very high
- Confident
- Low
- Very low
Reference genomeGRCh38hg38
Positions on gene and variant pages follow this choice, in this browser.
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How HLA-A is laid out
- Coding sequence
- Untranslated region
- Intron
- Direction of transcription
- Stretches short reads find hard
Exons of the gene's MANE Select transcript (release v1.5), from NCBI and EMBL-EBI, on the GRCh38 reference genome.
Chromosome bands from UCSC's GRCh38 ideogram (2022-10-29).
Nearby genes from Ensembl release 116, on GRCh38.
Exons make up 1.5 kb of the gene's 3.3 kb; 1,098 of those bases code for the protein.
Traits linked to HLA-A
The Human Phenotype Ontology lists these as features of the rare conditions HLA-A can cause. Each trait's page lists the other genes linked to it.
External links
Gene records
Transcript
Protein
Where this comes from
- HGNC: the gene's symbol, name, other symbols and location.
- MANE Select v1.5, from NCBI and EMBL-EBI: the transcript, its exons and coding sequence.
- The Human Phenotype Ontology, release 2026-09-01: the traits linked to the gene. Find out more at hpo.jax.org.
Cite this page
Dante Labs. (n.d.). HLA-A gene: major histocompatibility complex, class I, A. Retrieved 17 October 2026, from https://dantelabs.com/genes/hla-a
Dante Labs. HLA-A gene: major histocompatibility complex, class I, A [Internet]. [cited 17 October 2026]. Available from: https://dantelabs.com/genes/hla-a
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