› › Function and Biology

Yeast Cytosine Deaminase Double Mutant

Source organism: Saccharomyces cerevisiae
Biochemical function: 5-fluorocytosine deaminase activity
Biological process: cytidine metabolic process
Cellular component: cytoplasm

Quick links

EC 3.5.4.1: Cytosine deaminase

Reaction catalysed:
Cytosine + H(2)O = uracil + NH(3)
Systematic name:
Cytosine aminohydrolase
Alternative Name(s):
  • Cytosine aminohydrolase
  • Isocytosine deaminase

GO terms

Sequence family

Pfam Protein family (Pfam)
PF00383
Domain description: Cytidine and deoxycytidylate deaminase zinc-binding region
Occurring in:
  1. Cytosine deaminase
The deposited structure of PDB entry 1ysd contains 2 copies of Pfam domain PF00383 (Cytidine and deoxycytidylate deaminase zinc-binding region) in Cytosine deaminase. Showing 1 copy in chain B.

InterPro InterPro annotations
IPR002125
Domain description: Cytidine and deoxycytidylate deaminase domain
Occurring in:
  1. Cytosine deaminase
IPR016192
Domain description: APOBEC/CMP deaminase, zinc-binding
Occurring in:
  1. Cytosine deaminase
IPR016193
Domain description: Cytidine deaminase-like
Occurring in:
  1. Cytosine deaminase

Structure domain

CATH CATH domain
3.40.140.10
Class: Alpha Beta
Architecture: 3-Layer(aba) Sandwich
Topology: Cytidine Deaminase; domain 2
Homology: Cytidine Deaminase, domain 2
Occurring in:
  1. Cytosine deaminase
The deposited structure of PDB entry 1ysd contains 2 copies of CATH domain 3.40.140.10 (Cytidine Deaminase; domain 2) in Cytosine deaminase. Showing 1 copy in chain B.
SCOP SCOP annotation
89800
Class: Alpha and beta proteins (a/b)
Fold: Cytidine deaminase-like
Superfamily: Cytidine deaminase-like
Occurring in:
  1. Cytosine deaminase
The deposited structure of PDB entry 1ysd contains 2 copies of SCOP domain 89800 (Deoxycytidylate deaminase-like) in Cytosine deaminase. Showing 1 copy in chain B.

Quick links