>tr|D4P4X3|D4P4X3_HUMAN MHC class I antigen OS=Homo sapiens GN=HLA-B MLVMAPRTVLLLLSAALALTETWAGSHSMRYFHTAMSRPGRGEPRFISVGYVDDTQFVRF DSDAASPREEPRAPWIEQEGPEYWDRETQISKTNTQTYRESLRNLRGYYNQSEAGSHTLQ SMYGCDVGPDGRLLRGHNQYAYDGKDYIALNEDLRSWTAADTAAQISQRKLEAARVAEQL RAYLEGECVEWLRRYLENGKDKLERA