>tr|I2B2X8|I2B2X8_HUMAN MHC class I antigen OS=Homo sapiens GN=HLA-B SHSMRYFYTAMSRPGRGEPRFITVGYVDDTLFVRFDSDATSPRKEPRAPWIEQEGPEYWD RETQISKTNTQTYRESLRNLRGYYNQSEAGSHTLQSMYGCDVGPDGRLLRGHNQYAYDGK DYIALNEDLRSWTAADTAAQITQRKWEAARVAEQLRAYLEGECVEWLRRYLENGKETLQR A