>2hh4_A mol:protein length:21 insulin A chain GIVEQCCTSICSLYQLENYCN >2hh4_B mol:protein length:30 insulin B chain FVNQHLCSSDLVEALYLVCGERGFFYTKPT >2hh4_B mol:protein length:30 insulin B chain FVNQHLCSSDLVEALYLVCGERGFFYTKPT