>8PJF_1|Chain A|HLA class II histocompatibility antigen, DR alpha chain|Homo sapiens (9606) MGSMIKEEHVIIQAEFYLNPDQSGEFMFDFDGDEIFHVDMAKKETVWRLEEFGRFASFEAQGALANIAVDKANLEIMTKRSNYTPITNVPPEVTVLTNSPVELREPNVLICFIDKFTPPVVNVTWLRNGKPVTTGVSETVFLPREDHLFRKFHYLPFLPSTEDVYDCRVEHWGLDEPLLKHWEFDA >8PJF_2|Chain B|HLA class II histocompatibility antigen, DRB1 beta chain|Homo sapiens (9606) MGSMGDTRPRFLWQLKFECHFFNGTERVRLLERCIYNQEESVRFDSDVGEYRAVTELGRPDAEYWNSQKDLLEQRRAAVDTYCRHNYGVGESFTVQRRVEPKVTVYPSKTQPLQHHNLLVCSVSGFYPGSIEVRWFRNGQEEKAGVVSTGLIQNGDWTFQTLVMLETVPRSGEVYTCQVEHPSVTSPLTVEWRA >8PJF_3|Chain C|Hemagglutinin HA2 chain|Influenza A virus (11320) PKYVKQNTLKLAR