>tr|K7XSE2|K7XSE2_HUMAN MHC class I antigen OS=Homo sapiens GN=HLA-B SHSMRYFYTAMSRPGRGEPRFIAVGYVDDTQFVRFDSDAASPRTEPRAPWIEQEGPEYWD RNTQIFKTNTQTYRENLRIALRYYNQSEAGSHTLQSMYGCDVGPDGRLLRGHNQYAYDGK DYIALNEDLRSWTAADTAAQITQRKWEAARVAEQLRAYLEGLCVEWLRRYLENGKETLQR A