>3IWU_1|Chains A, B, C, D, E, F, G, H|5-hydroxyisourate hydrolase|Danio rerio (7955) MNRLQHIRGHIVSADKHINMSATLLSPLSTHVLNAAQGVPGANMTIVLHRLDPVSSAWNILTTGITNDDGRCPGLITKENFIAGVYKMRFETGKYWDALGETCFYPYVEIVFTITNTSQHYHVPLLLSRFSYSTTRGS