>tr|O19577|O19577_HUMAN MHC class I antigen (Fragment) OS=Homo sapiens OX=9606 GN=HLA-B PE=4 SV=2 SHSMRYFYTSVSRPGRGEPRFISVGYVDDTQFVRFDSDAASPREEPRAPWIEQEGPEYWD RETQISKTNTQTYRESLRNLRGYYNQSEA