Article
Nonsynonymous substitution rate heterogeneity in the peptide-binding region among different HLA-DRB1 lineages in humans.
G3 (Bethesda, Md.) - 2 May 2014
Yasukochi Yoshiki, Satta Yoko
Abstract excerpt
An extraordinary diversity of amino acid sequences in the peptide-binding region (PBR) of human leukocyte antigen [HLA; human major histocompatibility complex (MHC)] molecules has been maintained by balancing selection. The process of accumulation of amino acid diversity in the PBR for six HLA genes (HLA-A, B, C, DRB1, DQB1, and DPB1) shows that the number of amino acid substitutions in the PBR among alleles does...
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