1.1.1.154	ureidoglycolate dehydrogenase	allantoin degradation IV (anaerobic)	-	
1.1.1.350	ureidoglycolate dehydrogenase (NAD+)	allantoin degradation IV (anaerobic)	-	
2.1.3.5	oxamate carbamoyltransferase	allantoin degradation IV (anaerobic)	-