2.8.4.1	coenzyme-B sulfoethylthiotransferase	-	
2.8.4.2	arsenate-mycothiol transferase	-	
2.8.4.3	tRNA-2-methylthio-N6-dimethylallyladenosine synthase	-	
2.8.4.4	[ribosomal protein S12] (aspartate89-C3)-methylthiotransferase	-	
2.8.4.5	tRNA (N6-L-threonylcarbamoyladenosine37-C2)-methylthiotransferase	-	
2.8.4.6	S-methyl-1-thioxylulose 5-phosphate methylthiotransferase	-