Tags: Enzyme.
In enzymology a dioxotetrahydropyrimidine phosphoribosyltransferase (EC 2.4.2.20) is an enzyme that catalyzes the chemical reactiona 24-dioxotetrahydropyrimidine D-ribonucleotide + diphosphate a 24-dioxotetrahydropyrimidine + 5-phospho-alpha-D-ribose 1-diphosphateThus the two substrates of this enzyme are 24-dioxotetrahydropyrimidine D-ribonucleotide and diphosphate whereas its two products are 24-dioxotetrahydropyrimidine and 5-phospho-alpha-D-ribose 1-diphosphate.This enzyme belongs to the family of glycosyltransferases specifically the pentosyltransferases.