(deoxy)cytidine (deoxy)uridine deamination of 2'-Deoxycytidine to 2'-Deoxyuridine (deoxy)cytidine + H2O => (deoxy)uridine + NH4+ [CDA] Cytosolic cytidine deaminase catalyzes the hydrolysis of cytidine or dexoycytidine to form uridine or deoxyuridine and ammonia (Laliberte and Momparler 1994). The active form of the enzyme is a tetramer (Chung et al. 2005). EC Number: 3.5.4.5 Pubmed15689149 Pubmed7923172 Reactome Database ID Release 4373608 Reactome, http://www.reactome.org ReactomeREACT_376