A family of conserved cytidine deaminases that catalyze the DEAMINATION of CYTIDINE to URIDINE. They are characterized by N and C-terminal zinc-dependent catalytic domains and have important functions in RNA EDITING; EPIGENTIC PROCESSES; and the INNATE IMMUNE RESPONSE against viruses.

Synonyms: AID APOBEC Deaminases, APOBEC Deaminases, Apolipoprotein B mRNA Editing Enzyme, Catalytic Polypeptides, EC 3.5.4.5, APOBEC Enzymes, Deaminases, APOBEC, AID-APOBEC Deaminases, APOBEC Family Proteins, Deaminases, AID-APOBEC