>4f1f_D mol:protein length:30 Insulin B chain FVNQHLCGSHLVEALYLVCGERGFFYTPKT >4f1f_D mol:protein length:30 Insulin B chain FVNQHLCGSHLVEALYLVCGERGFFYTPKT >4f1f_C mol:protein length:21 Insulin A chain GIVEQCCTSICSLYQLENYCN >4f1f_A mol:protein length:21 Insulin A chain GIVEQCCTSICSLYQLENYCN >4f1f_B mol:protein length:30 Insulin B chain FVNQHLCGSHLVEALYLVCGERGFFYTPKT