Tags: Enzyme.
In the field of enzymology phosphoribosylaminoimidazole synthetase is an enzyme that catalyzes the chemical reaction: 10-formyltetrahydrofolate + N1-(5-phospho-D-ribosyl)glycinamide tetrahydrofolate + N2-formyl-N1-(5-phospho-D-ribosyl)glycinamideThis enzyme is required for the de novo biosynthesis of purines.