>3QXD_1|Chains A, C[auth D]|HLA class II histocompatibility antigen, DR alpha chain|Homo sapiens (9606) IKEEHVIIQAEFYLNPDQSGEFMFDFDGDEIFHVDMAKKETVWRLEEFGRFASCEAQGALANIAVDKANLEIMTKRSNYTPITNVPPEVTVLTNSPVELREPNVLICFIDKFTPPVVNVTWLRNGKPVTTGVSETVFLPREDHLFRKFHYLPFLPSTEDVYDCRVEHWGLDEPLLKHWEFDA >3QXD_2|Chains B, D[auth E]|HLA class II histocompatibility antigen, DRB1-1 beta chain|Homo sapiens (9606) GDTRPRFLWQLKFECHFFNGTERVRLLERCIYNQEESVRFDSDVGEYRAVTELGRPDAEYWNSQKDLLEQRRAAVDTYCRHNYGVGESFTVQRRVEPKVTVYPSKTQPLQHHNLLVCSVSGFYPGSIEVRWFRNGQEEKAGVVSTGLIQNGDWTFQTLVMLETVPRSGEVYTCQVEHPSVTSPLTVEWRA >3QXD_3|Chains E[auth C], F|HLA class II histocompatibility antigen gamma chain peptide|Homo Sapiens (9606) PVSKMRMATPLLMQA