>gnl|PDB|1A6A.1 strand_id:A description:HLA class II histocompatibility antigen, DR alpha chain
HVIIQAEFYLNPDQSGEFMFDFDGDEIFHVDMAKKETVWRLEEFGRFASFEAQGALANIAVDKANLEIMTKRSNYTPITNVPPEVTVLTNSPVELREPNVLICFIDKFTPPVVNVTWLRNGKPVTTGVSETVFLPREDHLFRKFHYLPFLPSTEDVYDCRVEHWGLDEPLLKHWEF
>gnl|PDB|1A6A.2 strand_id:B description:HLA class II histocompatibility antigen, DR-1 beta chain
PRFLEYSTSECHFFNGTERVRYLDRYFHNQEENVRFDSDVGEFRAVTELGRPDAEYWNSQKDLLEQKRGRVDNYCRHNYGVVESFTVQRRVHPKVTVYPSKTQPLQHHNLLVCSVSGFYPGSIEVRWFRNGQEEKTGVVSTGLIHNGDWTFQTLVMLETVPRSGEVYTCQVEHPSVTSPLTVEWRAR
>gnl|PDB|1A6A.3 strand_id:C description:HLA class II histocompatibility antigen, gamma chain
PVSKMRMATPLLMQA