>7NZE_1|Chains A[auth AAA], C[auth CCC]|HLA class II histocompatibility antigen, DR alpha chain|Homo sapiens (9606) KEEHVIIQAEFYLNPDQSGEFMFDFDGDEIFHVDMAKKETVWRLREFGRFASFEAQGALANIAVDKANLEIMTKRSNYTPITNVPPEVTVLTNSPVELREPNVLICFIDKFTPPVVNVTWLRNGKPVTTGVSETVFLPREDHLFRKFHYLPFLPSTEDVYDCRVEHWGLDEPLLKHWEFDAS >7NZE_2|Chains B[auth BBB], D[auth DDD]|HLA class II histocompatibility antigen DR beta chain|Homo sapiens (9606) GDTRPRFLEQVKHECHFFNGTERVRFLDRYFYHQEEYVRFDSDVGEYRAVTELGRPDAEYWNSQKDLLEQKRAAVDTYCRHNYGVGESFTVQRRVYPEVTVYPAKTQPLQHHNLLVCSVNGFYPGSIEVRWFRNGQEEKTGVVSTGLIQNGDWTFQTLVMLETVPRSGEVYTCQVEHPSLTSPLTVEWRAR >7NZE_3|Chains E[auth EEE], F[auth FFF]|Collagen alpha-1(II) chain|Homo sapiens (9606) GIAGFKGEQGPKGEP