1.8.2.1	Metabolic pathways	-	01100	-	
1.8.2.1	Microbial metabolism in diverse environments	-	01120	-	
1.8.2.1	sulfate reduction	sulfate reduction	-	-	
1.8.2.1	sulfite oxidation I	-	-	PWY-5276	
1.8.2.1	Sulfur metabolism	-	00920	-