A: NFGAIL segment from human islet amyloid polypeptide B: NFGAIL segment from human islet amyloid polypeptide C: NFGAIL segment from human islet amyloid polypeptide D: NFGAIL segment from human islet amyloid polypeptide E: NFGAIL segment from human islet amyloid polypeptide F: NFGAIL segment from human islet amyloid polypeptide G: NFGAIL segment from human islet amyloid polypeptide H: NFGAIL segment from human islet amyloid polypeptide