>3EX8_1|Chains A, B, C, D|Riboflavin biosynthesis protein ribD|Bacillus subtilis (1423) MRGSHHHHHHGSMEEYYMKLALDLAKQGEGQTESNPLVGAVVVKDGQIVGMGAHLKYGEAHAEVHAIHMAGAHAEGADIYVTLEPCSHYGKTPPCAELIINSGIKRVFVAMRDPNPLVAGRGISMMKEAGIEVREGILADQAERLNEKFLHFMRTGLPYVTLKAAASLDGKIATSTGDSKWITSEAARQDAQQYRKTHQSILVGVGTVKADNPSLTCRLPNVTKQPVRVILDTVLSIPEDAKVICDQIAPTWIFTTARADEEKKKRLSAFGVNIFTLETERIQIPDVLKILAEEGIMSVYVEGGSAVHGSFVKEGCFQEIIFYFAPKLIGGTHAPSLISGEGFQSMKDVPLLQFTDITQIGRDIKLTAKPTKE