>4ewx_D mol:protein length:30  Insulin B chain
FVNQHLCGSHLVEALYLVCGERGFFYTPKT
>4ewx_C mol:protein length:21  Insulin A chain
GIVEQCCTSICSLYQLENYCN
>4ewx_D mol:protein length:30  Insulin B chain
FVNQHLCGSHLVEALYLVCGERGFFYTPKT
>4ewx_A mol:protein length:21  Insulin A chain
GIVEQCCTSICSLYQLENYCN
>4ewx_B mol:protein length:30  Insulin B chain
FVNQHLCGSHLVEALYLVCGERGFFYTPKT