catalytic activity:ATP + cytidine = ADP + CMP.,catalytic activity:ATP + uridine = ADP + UMP.,function:May contribute to UTP accumulation needed for blast transformation and proliferation.,pathway:Pyrimidine metabolism; CTP biosynthesis via salvage pathway; CTP from cytidine: step 1/3.,pathway:Pyrimidine metabolism; UMP biosynthesis via salvage pathway; UMP from uridine: step 1/1.,PTM:Ubiquitinated by RNF19B; which induces proteasomal degradation.,similarity:Belongs to the uridine kinase family.,subcellular location:EBNA3 induces isoform 1 translocation to the nucleus, whereas it does change isoform 3 location.,subunit:Interacts with RNF19B and EBV EBNA3.,tissue specificity:Ubiquitous.,
Cytoplasm . Nucleus . EBNA3 induces isoform 1 translocation to the nucleus, whereas it does change isoform 3 location.
Ubiquitous.