>4f4t_B mol:protein length:30  Insulin B chain
FVNQHLCGSHLVEALYLVCGERGFFYTPKT
>4f4t_D mol:protein length:30  Insulin B chain
FVNQHLCGSHLVEALYLVCGERGFFYTPKT
>4f4t_C mol:protein length:21  Insulin A chain
GIVEQCCTSICSLYQLENYCN
>4f4t_A mol:protein length:21  Insulin A chain
GIVEQCCTSICSLYQLENYCN
>4f4t_D mol:protein length:30  Insulin B chain
FVNQHLCGSHLVEALYLVCGERGFFYTPKT