>2l1z_B mol:protein length:30 Insulin B chain FVNQHLCGSDLVEALYLVCGERGFFYTKPT >2l1z_B mol:protein length:30 Insulin B chain FVNQHLCGSDLVEALYLVCGERGFFYTKPT >2l1z_A mol:protein length:21 Insulin A chain GLLEQCCHSICSLYQLENYCN