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HLA-A3 (A3) is a human leukocyte antigen ''serotype'' within HLA-A serotype group. The serotype is determined by the antibody recognition of α3 subset of HLA-A α-chains. For A3, the alpha, "A", chain are encoded by the HLA-A allele group and the β-chain are encoded by B2M locus. This group currently is dominated by A *0301. A3 and A are almost synonymous in meaning. A3 is more common in Europe, it is part of the longest known multigene haplotype, A3-B7-DR15-DQ6. ==Serotype== A3 is primarily composed of A *0301 and *0302 which serotype well with anti-A3 antibodies. There are 26 non-synonymous variants of A *03, 4 nulls, and 22 protein variants. 抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「HLA-A3」の詳細全文を読む スポンサード リンク
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