>2kxk_B mol:protein length:32 Insulin B chain FVNQHLCGSHLVEALYLVCGERGFFYTPKTKR >2kxk_A mol:protein length:22 Insulin A chain GIVEQCCTSICSLYQLENYCNG >2kxk_B mol:protein length:32 Insulin B chain FVNQHLCGSHLVEALYLVCGERGFFYTPKTKR