>2kxk_B mol:protein length:32  Insulin B chain
FVNQHLCGSHLVEALYLVCGERGFFYTPKTKR
>2kxk_A mol:protein length:22  Insulin A chain
GIVEQCCTSICSLYQLENYCNG
>2kxk_B mol:protein length:32  Insulin B chain
FVNQHLCGSHLVEALYLVCGERGFFYTPKTKR