Uridine monophosphate kinase MRIVITIGGSIIISEFSHEMFRAYADILNSLRDEHDLFVVVGGGRPARDYIGVARELGASEARCDDIGIDVTRLNARLLITALGDSAYPGVPENFREALEVAATGRIVVMGGTEPAHSTDAVGAILAETVEADLMINLTSVDGFYDRDPAKYPDARFYPEITASEMLEHLRGSDVRAGTYEFFDHTALHMIRRSGIRTMIVNGNDPENLLRALDGEIGTTVIPE 224 PYRH_METTH Uridylate kinase MTH_879 pyrH Catalyzes the reversible phosphorylation of UMP to UDP (By similarity).