EC Number | Activating Compound | Comment | Organism | Structure |
---|---|---|---|---|
1.3.7.1 | arsenate | crude enzyme fractions: pyruvate, ferredoxin, CoA and phosphate or arsenate required for maximal activity | Clostridium sp. | |
1.3.7.1 | phosphate | crude enzyme fractions: pyruvate, ferredoxin, CoA and phosphate or arsenate required for maximal activity | Clostridium sp. | |
1.3.7.1 | pyruvate | crude enzyme fractions: pyruvate, ferredoxin, CoA and phosphate or arsenate required for maximal activity | Clostridium sp. |
EC Number | General Stability | Organism |
---|---|---|
1.3.7.1 | cobinamide cyanide, 0.01 mM, accelerates loss of activity in air | Clostridium sp. |
1.3.7.1 | ethylene glycol high concentrations stabilize | Clostridium sp. |
1.3.7.1 | glycerol, concentrations above 30% stabilize | Clostridium sp. |
1.3.7.1 | Na2S * 9 H2O stabilizes, maximal effect at 0.03% | Clostridium sp. |
1.3.7.1 | stable to freezing and thawing | Clostridium sp. |
EC Number | KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|---|
1.3.7.1 | 0.016 | - |
reduced ferredoxin | - |
Clostridium sp. | |
1.3.7.1 | 0.3 | - |
reduced methyl viologen | - |
Clostridium sp. |
EC Number | Organism | UniProt | Comment | Textmining |
---|---|---|---|---|
1.3.7.1 | Clostridium sp. | - |
- |
- |
EC Number | Oxidation Stability | Organism |
---|---|---|
1.3.7.1 | air, 5°C, 24 h, 50% loss of activity | Clostridium sp. |
EC Number | Purification (Comment) | Organism |
---|---|---|
1.3.7.1 | partial | Clostridium sp. |
EC Number | Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|---|
1.3.7.1 | 1.9 | - |
- |
Clostridium sp. |
EC Number | Storage Stability | Organism |
---|---|---|
1.3.7.1 | several months in liquid nitrogen and up to 50 h with argon | Clostridium sp. |
EC Number | Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|---|
1.3.7.1 | 1,4,5,6-tetrahydro-6-oxonicotinate + oxidized ferredoxin | oxidized methyl viologen is also substrate | Clostridium sp. | 6-hydroxynicotinate + reduced ferredoxin | - |
r | |
1.3.7.1 | 6-hydroxynicotinate + reduced ferredoxin | - |
Clostridium sp. | 6-oxo-1,4,5,6-tetrahydronicotinate + oxidized ferredoxin | - |
r | |
1.3.7.1 | 6-hydroxynicotinate + reduced methyl viologen | - |
Clostridium sp. | 6-oxo-1,4,5,6-tetrahydronicotinate + oxidized methyl viologen | - |
r |
EC Number | Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
---|---|---|---|---|
1.3.7.1 | 25 | - |
assay at | Clostridium sp. |
EC Number | Temperature Stability Minimum [°C] | Temperature Stability Maximum [°C] | Comment | Organism |
---|---|---|---|---|
1.3.7.1 | 5 | - |
stable in liquid nitrogen, unstable in air | Clostridium sp. |
EC Number | pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|---|
1.3.7.1 | 6.5 | - |
- |
Clostridium sp. |
EC Number | pH Minimum | pH Maximum | Comment | Organism |
---|---|---|---|---|
1.3.7.1 | 5.5 | 8.2 | pH 5.5: about 60% of activity maximum, pH 8.2: about 20% of activity maximum, rapid decline in activity below pH 5.6 may be partly due to destruction of ferredoxin in acid | Clostridium sp. |
EC Number | pH Stability | pH Stability Maximum | Comment | Organism |
---|---|---|---|---|
1.3.7.1 | additional information | - |
- |
Clostridium sp. |
EC Number | Cofactor | Comment | Organism | Structure |
---|---|---|---|---|
1.3.7.1 | CoA | crude enzyme fractions: pyruvate, ferredoxin, CoA and phosphate or arsenate required for maximal activity | Clostridium sp. | |
1.3.7.1 | Ferredoxin | reduced or oxidized, as electron carrier | Clostridium sp. |