>1jca_D mol:protein length:30 insulin b FVNQHLCGSHLVEALYLVCGERGFFYTPKT >1jca_A mol:protein length:21 insulin a GIVEQCCKSICSLYQLENYCN >1jca_B mol:protein length:30 insulin b FVNQHLCGSHLVEALYLVCGERGFFYTPKT >1jca_D mol:protein length:30 insulin b FVNQHLCGSHLVEALYLVCGERGFFYTPKT >1jca_C mol:protein length:21 insulin a GIVEQCCKSICSLYQLENYCN