EC Number | Cloned (Comment) | Organism |
---|---|---|
3.5.4.1 | - |
Escherichia coli |
EC Number | Inhibitors | Comment | Organism | Structure |
---|---|---|---|---|
3.5.4.1 | o-phenanthroline | removes Fe2+ from the Fe2+CDase to give the apoenzyme, cause of loss in activity, reversible by Fe2+ addition, poor effect on Zn2+CDase | Escherichia coli |
EC Number | KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|---|
3.5.4.1 | additional information | - |
additional information | pre-steady-state and steady-state kinetics and thermodynamics of cytosine substrate binding to apoenzyme and Zn2+-holoenzyme | Escherichia coli | |
3.5.4.1 | 0.1 | - |
2-thiocytosine | pH 7.5, 25°C, CDase | Escherichia coli | |
3.5.4.1 | 0.109 | - |
2-thiocytosine | pH 7.5, 25°C, Zn2+CDase | Escherichia coli | |
3.5.4.1 | 0.12 | - |
5-Azacytosine | pH 7.5, 25°C, CDase | Escherichia coli | |
3.5.4.1 | 0.2 | - |
cytosine | pH 7.5, 25°C, CDase | Escherichia coli | |
3.5.4.1 | 0.2 | - |
cytosine | pH 7.5, 25°C, Zn2+CDase | Escherichia coli | |
3.5.4.1 | 0.36 | - |
5-Azacytosine | pH 7.5, 25°C, Zn2+CDase | Escherichia coli | |
3.5.4.1 | 1.02 | - |
6-azacytosine | pH 7.5, 25°C, Zn2+CDase | Escherichia coli | |
3.5.4.1 | 1.6 | - |
6-azacytosine | pH 7.5, 25°C, CDase | Escherichia coli | |
3.5.4.1 | 1.7 | - |
5-fluorocytosine | pH 7.5, 25°C, CDase | Escherichia coli | |
3.5.4.1 | 11.2 | - |
5-fluorocytosine | pH 7.5, 25°C, Zn2+CDase | Escherichia coli |
EC Number | Metals/Ions | Comment | Organism | Structure |
---|---|---|---|---|
3.5.4.1 | Fe2+ | bound to the enzyme, very rapid complex formation | Escherichia coli | |
3.5.4.1 | Zn2+ | bound to the enzyme, below 0.2 mol per mol of subunit, reconstitution of apoenzyme | Escherichia coli |
EC Number | Organism | UniProt | Comment | Textmining |
---|---|---|---|---|
3.5.4.1 | Escherichia coli | - |
enzyme is encoded in codBA operon | - |
EC Number | Purification (Comment) | Organism |
---|---|---|
3.5.4.1 | recombinant enzyme as a mixture of Zn2+ and Fe2+ enzyme forms | Escherichia coli |
EC Number | Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|---|
3.5.4.1 | 2-thiocytosine + H2O | - |
Escherichia coli | 2-thiouracil + NH3 | - |
? | |
3.5.4.1 | 5-azacytosine + H2O | - |
Escherichia coli | 5-azauracil + NH3 | - |
? | |
3.5.4.1 | 5-fluorocytosine + H2O | low activity | Escherichia coli | 5-fluorouracil + NH3 | - |
? | |
3.5.4.1 | 6-azacytosine + H2O | - |
Escherichia coli | 6-azauracil + NH3 | - |
? | |
3.5.4.1 | cytosine + H2O | best substrate | Escherichia coli | uracil + NH3 | - |
? | |
3.5.4.1 | additional information | creatinine is a poor substrate for Zn2+CDase and apoCDase | Escherichia coli | ? | - |
? |
EC Number | Synonyms | Comment | Organism |
---|---|---|---|
3.5.4.1 | CDase | - |
Escherichia coli |
3.5.4.1 | Zn2+CDase | - |
Escherichia coli |
EC Number | Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
---|---|---|---|---|
3.5.4.1 | 25 | - |
assay at | Escherichia coli |
EC Number | Turnover Number Minimum [1/s] | Turnover Number Maximum [1/s] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|---|
3.5.4.1 | 0.65 | - |
5-Azacytosine | pH 7.5, 25°C, Zn2+CDase | Escherichia coli | |
3.5.4.1 | 2.27 | - |
2-thiocytosine | pH 7.5, 25°C, Zn2+CDase | Escherichia coli | |
3.5.4.1 | 2.68 | - |
5-Azacytosine | pH 7.5, 25°C, CDase | Escherichia coli | |
3.5.4.1 | 5.4 | - |
6-azacytosine | pH 7.5, 25°C, Zn2+CDase | Escherichia coli | |
3.5.4.1 | 5.5 | - |
5-fluorocytosine | pH 7.5, 25°C, Zn2+CDase | Escherichia coli | |
3.5.4.1 | 16 | - |
5-fluorocytosine | pH 7.5, 25°C, CDase | Escherichia coli | |
3.5.4.1 | 22.3 | - |
2-thiocytosine | pH 7.5, 25°C, CDase | Escherichia coli | |
3.5.4.1 | 26.4 | - |
cytosine | pH 7.5, 25°C, Zn2+CDase | Escherichia coli | |
3.5.4.1 | 185 | - |
cytosine | pH 7.5, 25°C, CDase | Escherichia coli | |
3.5.4.1 | 186 | - |
6-azacytosine | pH 7.5, 25°C, CDase | Escherichia coli |
EC Number | pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|---|
3.5.4.1 | 7.5 | - |
assay at | Escherichia coli |