>2G9H_2|Chain B|HLA class II histocompatibility antigen, DRB1-1 beta chain|Homo sapiens (9606) GDTRPRFLWQLKFECHFFNGTERVRLLERCIYNQEESVRFDSDVGEYRAVTELGRPDAEYWNSQKDLLEQRRAAVDTYCRHNYGVGESFTVQRRVEPKVTVYPSKTQPLQHHNLLVCSVSGFYPGSIEVRWFRNGQEEKAGVVSTGLIQNGDWTFQTLVMLETVPRSGEVYTCQVEHPSVTSPLTVEWRA >2G9H_3|Chain C|Hemagglutinin|null PKYVKQNTLKLAT >2G9H_1|Chain A|HLA class II histocompatibility antigen, DR alpha chain|Homo sapiens (9606) IKEEHVIIQAEFYLNPDQSGEFMFDFDGDEIFHVDMAKKETVWRLEEFGRFASFEAQGALANIAVDKANLEIMTKRSNYTPITNVPPEVTVLTNSPVELREPNVLICFIDKFTPPVVNVTWLRNGKPVTTGVSETVFLPREDHLFRKFHYLPFLPSTEDVYDCRVEHWGLDEPLLKHWEFDA >2G9H_4|Chain D|extracellular enterotoxin type I|Staphylococcus aureus (1280) QGDIGVGNLRNFYTKHDYIDLKGLIDKNLPSANQLEFSTGINDLISESNNWDEISKFKGKKLDIFGIDYNGPCKSKYMYGGATLSGQYLNSARKIPINLWVNGKHKTISTDKISTNKKLVTAQEIDVKLRRYLQEEYNIYGHNSTGKGKEYGYKSKFYSGFNKGKVLFHLNDEKSFSYDLFYTGDGVPVSFLKIYEDNKIIESEKFHLDVEISYVDSN