>1jco_B mol:protein length:30 Insulin B chain FVNQHLCGSHLVEALYLVCGERGFFYPTKT >1jco_B mol:protein length:30 Insulin B chain FVNQHLCGSHLVEALYLVCGERGFFYPTKT >1jco_A mol:protein length:21 Insulin A chain GIVEQCCTSICSLYQLENYCN