Tags: Enzyme.
In enzymology an UMP kinase (EC 2.7.4.22) is an enzyme that catalyzes the chemical reactionATP + UMP ADP + UDPThus the two substrates of this enzyme are ATP and UMP whereas its two products are ADP and UDP.This enzyme belongs to the family of transferases specifically those transferring phosphorus-containing groups (phosphotransferases) with a phosphate group as acceptor. The systematic name of this enzyme class is ATP:UMP phosphotransferase.