2.7.8.29	(3-sn-phosphatidyl)-L-serine	end-product inhibition of isozyme PSS1; strong end-product inhibition of isozyme PSS1	78786	
2.7.8.29	additional information	not inhibitory: phosphatidylethanolamine, phosphatidylcholine	2	
2.7.8.29	additional information	addition of phosphatidylcholine instead of phosphatidylserine does not reduce the rate of phosphatidylserine synthesis	2	
2.7.8.29	phosphatidylserine	product inhibition	430	
2.7.8.29	phosphatidylserine	The phosphatidylserine synthesis in a CHO cell mutant which lacks PSS I, EC 2.7.8.8, but has normal PSS II activity, is almost completely inhibited by the addition of phosphatidylserine to the culture medium, like that in the wild-type CHO-K1 cells. The phosphatidylserine synthesis in a PSS II-overproducing stable transformant is reduced by 35% upon addition of phosphatidylserine. Residue Arg-97 is critical for the exogenous phosphatidylserine-mediated inhibition	430	
2.7.8.29	phosphatidylserine	inhibition of purified enzyme and the crude enzyme in a membrane fraction	430