>6U3M_1|Chains A, C|HLA class II histocompatibility antigen, DQ alpha 1 chain|Homo sapiens (9606) EDIVADHVASYGVNLYQSYGPSGQYTHEFDGDEQFYVDLGRKETVWSLPVLRQFRFDPQFALTNIAVLKHNLNSLIKRSNSTAATNEVPEVTVFSKSPVTLGQPNILICLVDNIFPPVVNITWLSNGHSVTEGVSETSFLSKSDHSFFKISYLTLLPSAEESYDCKVEHWGLDKPLLKHWEPETSGDDDDK >6U3M_3|Chains E, F|Alpha1a peptide|Pseudomonas fluorescens (294) AQPMPMPELPYPGSGGSIEGR >6U3M_2|Chains B, D|MHC class II HLA-DQ-beta-1|Homo sapiens (9606) GGSGASRDSPEDFVYQFKGMCYFTNGTERVRLVSRSIYNREEIVRFDSDVGEFRAVTLLGLPAAEYWNSQKDILERKRAAVDRVCRHNYQLELRTTLQRRVEPTVTISPSRTEALNHHNLLVCSVTDFYPAQIKVRWFRNDQEETAGVVSTPLIRNGDWTFQILVMLEMTPQRGDVYTCHVEHPSLQSPITVEWRAQSTGGDDDDK