Tags: Enzyme.
In enzymology a guanidinoacetate kinase (EC 2.7.3.1) is an enzyme that catalyzes the chemical reactionATP + guanidinoacetate ADP + phosphoguanidinoacetateThus the two substrates of this enzyme are ATP and guanidinoacetate whereas its two products are ADP and phosphoguanidinoacetate.Guanidinoacetate kinase belongs to the family of transferases specifically those that transfer phosphorus-containing groups (phosphotransferases) with a nitrogenous group as acceptor.