UMP-CMP kinase 2, mitochondrial (Cmpk2)

May participate in dUTP and dCTP synthesis in mitochondria. Is able to phosphorylate dUMP, dCMP, CMP, UMP and monophosphates of the pyrimidine nucleoside analogs ddC, dFdC, araC, BVDU and FdUrd with ATP as phosphate donor.

Also displays broad nucleoside diphosphate kinase activity (By similarity). .