EC Number | General Stability | Organism |
---|---|---|
4.2.1.84 | nitrile hydratase cross-linked enzyme aggregates are sensitive to water-immiscible organic solvents as well as to aldehydes and hydrogen cyanide, but are remarkably stable and show useful activity in acidic aqueous environments of pH 4-5 | Nitriliruptor alkaliphilus |
EC Number | Organism | UniProt | Comment | Textmining |
---|---|---|---|---|
4.1.2.47 | Manihot esculenta | - |
- |
- |
4.2.1.84 | Nitriliruptor alkaliphilus | - |
- |
- |
EC Number | Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|---|
4.1.2.47 | cyanide + prop-2-enal | - |
Manihot esculenta | (2S)-2-hydroxy-3-methylbutanenitrile | - |
? | |
4.1.2.47 | cyanide + propanal | - |
Manihot esculenta | (2S)-2-hydroxybutanenitrile | - |
? | |
4.2.1.84 | (2R)-2-hydroxy-3-methylbutanenitrile + H2O | - |
Nitriliruptor alkaliphilus | (2R)-2-hydroxy-3-methylbutanamide | - |
? | |
4.2.1.84 | (2R)-2-hydroxybut-3-enenitrile + H2O | - |
Nitriliruptor alkaliphilus | (2R)-2-hydroxybut-3-enamide | - |
? | |
4.2.1.84 | (2R)-2-hydroxybutanenitrile + H2O | - |
Nitriliruptor alkaliphilus | (2R)-2-hydroxybutanamide | - |
? | |
4.2.1.84 | (2R)-2-hydroxyhexanenitrile + H2O | - |
Nitriliruptor alkaliphilus | (2R)-2-hydroxyhexanamide | - |
? | |
4.2.1.84 | (2R)-2-hydroxypentanenitrile + H2O | - |
Nitriliruptor alkaliphilus | (2R)-2-hydroxypentanamide | - |
? |
EC Number | Synonyms | Comment | Organism |
---|---|---|---|
4.1.2.47 | (S)-HNL | - |
Manihot esculenta |
4.1.2.47 | (S)-selective HNL | - |
Manihot esculenta |
4.2.1.84 | NHase | - |
Nitriliruptor alkaliphilus |
EC Number | pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|---|
4.2.1.84 | 8 | - |
around pH 8.0 | Nitriliruptor alkaliphilus |
EC Number | pH Stability | pH Stability Maximum | Comment | Organism |
---|---|---|---|---|
4.2.1.84 | 4 | 12 | nitrile hydratase cross-linked enzyme aggregates are stable at pH values 2-4 units below the optimum (pH 8.0) and still have a useful activity under these conditions, retains about 20% activity at pH 4, 40% activity at pH 5.0, 65% activity at pH 6.0, 90% activity at pH 7.0, 9.0 and 10.0, 85% activity at pH 12.0 | Nitriliruptor alkaliphilus |