>1n2r_A mol:protein length:276 HLA class I histocompatibility antigen, BW-44(B-12) B*4403 alpha chain GSHSMRYFYTAMSRPGRGEPRFITVGYVDDTLFVRFDSDATSPRKEPRAPWIEQEGPEY WDRETQISKTNTQTYRENLRTALRYYNQSEAGSHIIQRMYGCDVGPDGRLLRGYDQDAY DGKDYIALNEDLSSWTAADTAAQITQRKWEAARVAEQLRAYLEGLCVESLRRYLENGKE TLQRADPPKTHVTHHPISDHEVTLRCWALGFYPAEITLTWQRDGEDQTQDTELVETRPA GDRTFQKWAAVVVPSGEEQRYTCHVQHEGLPKPLTLRWEP