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ENZYME entry: EC

Accepted Name
Single-stranded DNA cytosine deaminase.
Alternative Name(s)
Activation-induced cytidine deaminase.
Activation-induced deaminase.
Reaction catalysed
Cytosine in single-stranded DNA + H(2)O <=> uracil in single-stranded DNA + NH(3)
  • The enzyme exclusively catalyzes deamination of cytosine in single- stranded DNA.
  • It preferentially deaminates five-nucleotide bubbles.
  • The optimal target consists of a single-stranded NWRCN motif (W = A or T, R = A or G).
  • The enzyme initiates antibody diversification processes by deaminating immunoglobulin sequences.
PRIAM enzyme-specific profiles3.5.4.38
KEGG Ligand Database for Enzyme Nomenclature3.5.4.38
IUBMB Enzyme Nomenclature3.5.4.38
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All ENZYME / UniProtKB/Swiss-Prot entries corresponding to 3.5.4.-
All ENZYME / UniProtKB/Swiss-Prot entries corresponding to 3.5.-.-
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