title: Metabolism of allantoin in Hyphomicrobium species.
abstract: Hyphomicrobium species are able to use allantoin as a nitrogen source for growth. Allantoin is broken down to glyoxylate and ammonia by the consecutive action of allantoinase, allantoicase, ureidoglycolase and urease.
mesh_terms: D000481:Allantoin / Q000378:metabolism*; D019760:Amidine-Lyases; D000581:Amidohydrolases / Q000378:metabolism; D001419:Bacteria / Q000378:metabolism*; D008190:Lyases / Q000378:metabolism; D014510:Urease / Q000378:metabolism; D014512:Ureohydrolases / Q000378:metabolism
chemical_list: D000481:Allantoin; D000581:Amidohydrolases; D014510:Urease; C019659:allantoinase; D014512:Ureohydrolases; C019658:allantoicase; D008190:Lyases; D019760:Amidine-Lyases; C033757:ureidoglycollate lyase