>4f1c_A mol:protein length:21 Insulin A chain
GIVEQCCTSICSLYQLENYCN
>4f1c_C mol:protein length:21 Insulin A chain
GIVEQCCTSICSLYQLENYCN
>4f1c_B mol:protein length:30 Insulin B chain
FVNQHLCGSHLVEALYLVCGERGFFYTPKT
>4f1c_D mol:protein length:30 Insulin B chain
FVNQHLCGSHLVEALYLVCGERGFFYTPKT