>tr|K7P4Z5|K7P4Z5_HUMAN MHC class I antigen OS=Homo sapiens GN=HLA-B SHSMRYFYTAMSRPGRGEPRFIAVGYVDDTQFVRFDSDAASPRMAPRAPWIEQEGPEYWD RETQKYKRQAQTDRVSLRNLRGYYNQSEAGSHTWQTMYGCDVGPDGRLLRGHDQSAYDGK DYIALNEDLSSWTAADTAAQITQRKWEAAREAEQWRAYLEGLCVEWLRRYLENGKETLQR A