>tr|K4JB12|K4JB12_HUMAN MHC class I antigen (Fragment) OS=Homo sapiens OX=9606 GN=HLA-B PE=3 SV=1 SHSMRYFDTAMSRPGRGEPRFISVGYVDDTQFVRFDSDAASPREEPRAPWIEQEGPEYWD RNTQIFKTNTQTDRESLRNLRGYYNQSEAGSPTLQSMYGCDVGPDGRLLRGHNQYAYDGK DYIALNEDLRSWTAADTAAQITQRKWEAARVAEQDRAYLEGTCVEWLRRYLENGKDTLER A