>9MXW_1|Chains A, B, C|de novo protein with intramolecular isopeptide bond dnIPB-1|synthetic construct (32630) SAGGTGEPKVYAPVTTGADGKLSLSVGGYKKTFTKVDAATKAPLAGAVFQVVEKDGDITLYELSSPAGYVPVTNKPIYNISTGEAFDSAAASVVKEDGQYYITNTAALAAA