1.19.6.1	Metabolic pathways	-	01100	
1.19.6.1	Microbial metabolism in diverse environments	-	01120	
1.19.6.1	nitrate assimilation	nitrate assimilation	-	
1.19.6.1	nitrogen fixation II (flavodoxin)	-	-	
1.19.6.1	Nitrogen metabolism	-	00910