6.3.5.5	5-phospho-alpha-D-ribose 1-diphosphate	activates wild-type enzyme	660964	
6.3.5.5	5-phospho-alpha-D-ribosyl 1-diphosphate	pyrimidine-specific carbamoyl-phosphate synthase is activated, arginine-specific enzyme not	1753	
6.3.5.5	5-phospho-alpha-D-ribosyl 1-diphosphate	stimulates	1732, 1735, 1736, 1751	
6.3.5.5	acetylornithine	activates	1733	
6.3.5.5	acivicin	selective time-dependent inhibition of L-Gln-dependent activity, L-Gln protects the enzyme from inactivation. Stimulation of NH4+-dependent activity	1727	
6.3.5.5	ammonia	-	652351	
6.3.5.5	GTP	enhances activity	1731	
6.3.5.5	human Rad9 checkpoint protein	stimulates the carbamoyl phosphate synthetase activity of the multifunctional protein CAD. Rad9 binds to the Cpsase domain, and, moreover, this binding results in a 2fold stimulation of the CPSase activity of CAD	662971	
6.3.5.5	IMP	-	651882, 652788	
6.3.5.5	IMP	allosteric effect on Escherichia coli enzyme in dependence of temperature, no response to chimeric enzyme	652334