>5DEF_1|Chain A|HLA class I histocompatibility antigen, B-27 alpha chain|Homo sapiens (9606) GSHSMRYFHTSVSRPGRGEPRFITVGYVDDTLFVRFDSDAASPREEPRAPWIEQEGPEYWDRETQICKAKAQTDRESLRTLLRYYNQSEAGSHTLQNMYGCDVGPDGRLLRGYHQDAYDGKDYIALNEDLSSWTAADTAAQITQRKWEAAREAEQLRAYLEGECVEWLRRYLENGKETLQRADPPKTHVTHHPISDHEATLRCWALGFYPGEITLTWQRDGEDQTQDTELVETRPAGDRTFQKWAAVVVPSGEEQRYTCHVQHEGLPKPLTLRWEP >5DEF_2|Chain B|Beta-2-microglobulin|Homo sapiens (9606) MIQRTPKIQVYSRHPAENGKSNFLNCYVSGFHPSDIEVDLLKNGERIEKVEHSDLSFSKDWSFYLLYYTEFTPTEKDEYACRVNHVTLSQPKIVKWDRDM >5DEF_3|Chain C|peptide derived from VASOACTIVE INTESTINAL POLYPEPTIDE RECEPTOR 1 (pVIPR)|Homo sapiens (9606) RRKWRRWHL