5.1.1.4	2-mercaptoethanol	activates	2121, 2122	
5.1.1.4	2-mercaptoethanol	optimal concentration: 0.02 M	2122	
5.1.1.4	additional information	addition of pyridoxal 5'-phosphate does not increase activity	2122	
5.1.1.4	additional information	pyridoxal 5'-phosphate is not involved in racemization	2121	
5.1.1.4	NaBH4	activates	2122	
5.1.1.4	SH compounds	activate, e.g. 2-mercaptoethanol, 1,3-dimercaptoethanol	2121