>4u1s_A mol:protein length:278  HLA class I histocompatibility antigen, B-81 alpha chain
MGSHSMRYFYTSVSRPGRGEPRFISVGYVDDTQFVRFDSDAASPREEPRAPWIEQEGPE
YWDRNTQIYKAQAQTDRESLRNLRGYYNQSEAGSHTLQSMYGCDVGPDGRLLRGHNQYA
YDGKDYIALNEDLRSWTAADTAAQISQRKLEAARVAEQLRAYLEGECVEWLRRYLENGK
DKLERADPPKTHVTHHPISDHEATLRCWALGFYPAEITLTWQRDGEDQTQDTELVETRP
AGDRTFQKWTAVVVPSGEEQRYTCHVQHEGLPKPLTLRWEPS