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pubmed:abstractText |
HLA-DP genotyping of over 400 individuals from sub-Saharan Africa identified three new DP alleles: DPB1*7401, DPA1*02013, and DPA1*0302. DNA sequencing confirmed that DPB1*7401, found in one individual, is a novel combination of previously described sequence motifs in the six variable regions of DPB1. DPA1*02013, found in one individual, is identical to DPA1*02012 except for two silent substitutions, a T to C transition in codon 37, and an A to G transition in codon 38. DPA1*0302, identified in seven individuals, is identical to DPA1*0301 except for a C to T transition at the second position of codon 66. The identification of these novel alleles brings the total number of reported DPB1 alleles to 77 and DPA1 alleles to 11.
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