>3bxq_D mol:protein length:30  insulin B chain
FVNQRLCGSHLVEALYLVCGERGFFYTPKT
>3bxq_A mol:protein length:21  insulin A chain
GIVEQCCTSICSLYQLENYCN
>3bxq_B mol:protein length:30  insulin B chain
FVNQRLCGSHLVEALYLVCGERGFFYTPKT
>3bxq_D mol:protein length:30  insulin B chain
FVNQRLCGSHLVEALYLVCGERGFFYTPKT
>3bxq_C mol:protein length:21  insulin A chain
GIVEQCCTSICSLYQLENYCN