>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