>2m2n_B mol:protein length:30 Insulin B chain FVNQHLCGSHLVEALYLVCGERGHFYTPKT >2m2n_B mol:protein length:30 Insulin B chain FVNQHLCGSHLVEALYLVCGERGHFYTPKT >2m2n_A mol:protein length:21 Insulin A chain GIVEQCCTSICSLYQLENYCN