Cyclic 3',5'-adenosine monophosphate and N-acetylglucosamine-6-phosphate as regulatory signals in catabolite repression of the lac operon in Escherichia coli

Cyclic 3',5'-adenosine monophosphate and N-acetylglucosamine-6-phosphate as regulatory signals in catabolite repression of the lac operon in Escherichia coli