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Generation of the HLA-B*15 group of alleles has been analyzed using exon 1, intron 1, exon 2, intron 2, and exon 3 sequences from human and nonhuman primates. Results indicated that the 230 alleles analyzed could be grouped into 5 different lineages of evolution coming from nonhuman primate MHC-B* alleles sharing characteristic nucleotide sequences. The major evolutionary mechanism of evolution in...
Human leukocyte antigen (HLA)–G alleles follow a different pattern of polymorphism generation from those of the HLA classical I alleles. These polymorphisms have been defined as a result of random permitted point mutations in exons. However, this polymorphism maintenance could have an evolutionary specific pathways based on noncoding regions as introns, 14-bp deletion/insertion (exon 8), or promoter...
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