>1sjt_A mol:protein length:21 PROINSULIN GIVEQCCTSICSLYQLENYCN >1sjt_B mol:protein length:29 PROINSULIN FVNQHLCGSDLVEALYLVCGERGFFYTDK >1sjt_B mol:protein length:29 PROINSULIN FVNQHLCGSDLVEALYLVCGERGFFYTDK