2.7.7.23	2-mercaptoethanol	slight stimulation	643061	
2.7.7.23	D-glucosamine 6-phosphate	allosteric, 0.003 mM, 5fold increase of activity, reversible by dialysis	643071	
2.7.7.23	dithioerythritol	highly stimulating	643059, 643061	
2.7.7.23	dithiothreitol	highly stimulating	643059, 643060, 643061	
2.7.7.23	glutathione	slight stimulation	643061