>4eyn_B mol:protein length:30  Insulin B chain
FVNQHLCGSHLVEALYLVCGERGFFYTPKT
>4eyn_C mol:protein length:21  Insulin A chain
GIVEQCCTSICSLYQLENYCN
>4eyn_A mol:protein length:21  Insulin A chain
GIVEQCCTSICSLYQLENYCN
>4eyn_D mol:protein length:30  Insulin B chain
FVNQHLCGSHLVEALYLVCGERGFFYTPKT
>4eyn_D mol:protein length:30  Insulin B chain
FVNQHLCGSHLVEALYLVCGERGFFYTPKT