Cloned (Comment) | Organism |
---|---|
expressed in Escherichia coli BL21-Gold(DE3) cells | Aspergillus niger |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
3.7 | - |
2-Cyanopyridine | at pH 8.0 and 30°C | Aspergillus niger | |
14.7 | - |
Fumaronitrile | at pH 8.0 and 30°C | Aspergillus niger | |
109 | - |
cyanide | at pH 8.0 and 30°C | Aspergillus niger |
Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
40000 | - |
x * 40000, SDS-PAGE | Aspergillus niger |
Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|
cyanide + H2O | Aspergillus niger | 100% activity | formamide | - |
? | |
cyanide + H2O | Aspergillus niger K-10 | 100% activity | formamide | - |
? |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Aspergillus niger | - |
- |
- |
Aspergillus niger K-10 | - |
- |
- |
Purification (Comment) | Organism |
---|---|
Hi-Prep 16/10 Q FF column chromatography and Sephacryl S-200 gel filtration | Aspergillus niger |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
2-cyanopyridine + 2 H2O | 0.76% activity compared to cyanide | Aspergillus niger | pyridine 2-carboxylic acid + NH3 | - |
? | |
2-cyanopyridine + 2 H2O | 0.76% activity compared to cyanide | Aspergillus niger K-10 | pyridine 2-carboxylic acid + NH3 | - |
? | |
cyanide + H2O | 100% activity | Aspergillus niger | formamide | - |
? | |
cyanide + H2O | 100% activity | Aspergillus niger K-10 | formamide | - |
? | |
fumaronitrile + H2O | 0.95% activity compared to cyanide | Aspergillus niger | ? | - |
? | |
fumaronitrile + H2O | 0.95% activity compared to cyanide | Aspergillus niger K-10 | ? | - |
? | |
additional information | almost no activity with benzonitrile, 3-cyanopyridine, 4-cyanopyridine, and phenylacetonitrile | Aspergillus niger | ? | - |
? | |
additional information | almost no activity with benzonitrile, 3-cyanopyridine, 4-cyanopyridine, and phenylacetonitrile | Aspergillus niger K-10 | ? | - |
? |
Subunits | Comment | Organism |
---|---|---|
? | x * 40000, SDS-PAGE | Aspergillus niger |
Synonyms | Comment | Organism |
---|---|---|
CHT | - |
Aspergillus niger |
NitAn1 | - |
Aspergillus niger |
Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
---|---|---|---|
45 | - |
- |
Aspergillus niger |
Temperature Stability Minimum [°C] | Temperature Stability Maximum [°C] | Comment | Organism |
---|---|---|---|
28 | 55 | the enzyme shows a half-life of 5.6 hat 28°C and is unstable at temperatures above 35°C. The enzyme is still active at 50°C with ca. 36% of its maximum activity, but nearly inactive at 55°C | Aspergillus niger |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
8 | 9 | - |
Aspergillus niger |
pH Minimum | pH Maximum | Comment | Organism |
---|---|---|---|
5.5 | 10.5 | - |
Aspergillus niger |
pH Stability | pH Stability Maximum | Comment | Organism |
---|---|---|---|
5.5 | 10 | unstable below pH 5.5 | Aspergillus niger |