>1A1O_1|Chain A|HLA class I histocompatibility antigen, BW-53 B*5301 alpha chain|Homo sapiens (9606) GSHSMRYFYTAMSRPGRGEPRFIAVGYVDDTQFVRFDSDAASPRTEPRPPWIEQEGPEYWDRNTQIFKTNTQTYRENLRIALRYYNQSEAGSHIIQRMYGCDLGPDGRLLRGHDQSAYDGKDYIALNEDLSSWTAADTAAQITQRKWEAARVAEQLRAYLEGLCVEWLRRYLENGKETLQRADPPKTHVTHHPVSDHEATLRCWALGFYPAEITLTWQRDGEDQTQDTELVETRPAGDRTFQKWAAVVVPSGEEQRYTCHVQHEGLPKPLTLRWEP >1A1O_2|Chain B|Beta-2-microglobulin|Homo sapiens (9606) IQRTPKIQVYSRHPAENGKSNFLNCYVSGFHPSDIEVDLLKNGERIEKVEHSDLSFSKDWSFYLLYYTEFTPTEKDEYACRVNHVTLSQPKIVKWDRDM >1A1O_3|Chain C|PEPTIDE LS6 (KPIVQYDNF)|Human immunodeficiency virus 1 (11676) KPIVQYDNF