1.2.1.54	gamma-guanidinobutyraldehyde dehydrogenase	L-arginine degradation VIII (arginine oxidase pathway)	-	
1.4.3.25	L-arginine oxidase	L-arginine degradation VIII (arginine oxidase pathway)	-	
3.5.3.7	guanidinobutyrase	L-arginine degradation VIII (arginine oxidase pathway)	-	
4.1.1.75	5-guanidino-2-oxopentanoate decarboxylase	L-arginine degradation VIII (arginine oxidase pathway)	-