2.7.2.2	Arginine biosynthesis	-	00220	-	
2.7.2.2	Metabolic pathways	-	01100	-	
2.7.2.2	Microbial metabolism in diverse environments	-	01120	-	
2.7.2.2	Nitrogen metabolism	-	00910	-	
2.7.2.2	Purine metabolism	-	00230	-	
2.7.2.2	urea cycle	urea cycle	-	-