HLA-A31

HLA-A31 (A31) is a human leukocyte antigen serotype within HLA-A serotype group. The serotype is determined by the antibody recognition of α31 subset of HLA-A α-chains. For A31, the alpha "A" chain are encoded by the HLA-A*31 allele group and the β-chain are encoded by B2M locus. This group currently is dominated by A*3101. A31 and A*31 are almost synonymous in meaning. A31 is a split antigen of the broad antigen serotype A19. A31 is a sister serotype of A29, A30, A32, A33, and A74.

Further information: History and naming of human leukocyte antigens
HLA-A31
(MHC Class I, A cell surface antigen)
HLA-A31
About
Proteintransmembrane receptor/ligand
Structureαβ heterodimer
SubunitsHLA-A*3101, β2-microglobulin
Older namesA19
Subtypes
Subtype
allele
Available structures
A31 *3101
{{{cNick2}}} *31{{{cAllele2}}}
{{{cNick3}}} *31{{{cAllele3}}}
{{{cNick4}}} *31{{{cAllele4}}}
Rare alleles
Subtype
allele
Available structures
A31.2 *3102
{{{rnick2}}} *31{{{rallele2}}}
{{{rnick3}}} *31{{{rallele3}}}
Alleles link-out to IMGT/HLA database at EBI

A31 is more common in South and Central America.

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