1.14.14.34	down	expression of the msu operon is repressed in the presence of sulfate, sulfite, sulfide, or cysteine	-, 738509	
1.14.14.34	additional information	growth with methanesulfonate requires an intact cysB gene, and the msu operon is part of the cys regulon	-, 738509	
1.14.14.34	up	expression of the msu operon is derepressed during growth with methionine or alkanesulfonates	-, 738509