>1b18_A mol:protein length:21  PROTEIN (INSULIN a chain)
GIVEQCCTSICSLYQLENYCN
>1b18_B mol:protein length:30  PROTEIN (INSULIN b chain)
FVNQHLCGSHLVEALYLVCGERGFFYTPKA
>1b18_B mol:protein length:30  PROTEIN (INSULIN b chain)
FVNQHLCGSHLVEALYLVCGERGFFYTPKA