>1q4v_C mol:protein length:21 Insulin GIVEQCCTSICSLYQLENYCN >1q4v_A mol:protein length:21 Insulin GIVEQCCTSICSLYQLENYCN >1q4v_B mol:protein length:30 Insulin FVNQHLCGSHLVEALYLVCGERGFFYTPKT >1q4v_D mol:protein length:30 Insulin FVNQHLCGSHLVEALYLVCGERGFFYTPKT >1q4v_D mol:protein length:30 Insulin FVNQHLCGSHLVEALYLVCGERGFFYTPKT