1.7.2.6	ammonia oxidation I (aerobic)	-	-	
1.7.2.6	Metabolic pathways	-	01100	
1.7.2.6	Microbial metabolism in diverse environments	-	01120	
1.7.2.6	nitrate assimilation	nitrate assimilation	-	
1.7.2.6	Nitrogen metabolism	-	00910