>4gbc_A mol:protein length:21 Insulin A chain
GIVEQCCTSICSLYQLENYCN
>4gbc_C mol:protein length:21 Insulin A chain
GIVEQCCTSICSLYQLENYCN
>4gbc_B mol:protein length:30 Insulin B chain
FVNQHLCGSHLVEALYLVCGERGFFYTDKT
>4gbc_D mol:protein length:30 Insulin B chain
FVNQHLCGSHLVEALYLVCGERGFFYTDKT