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Literature summary extracted from
- Purification and characterization of a catalase from photosynthetic bacterium Rhodospirillum rubrum S1 grown under anaerobic conditions (2006), J. Microbiol., 44, 185-191.
Inhibitors
| EC Number | Inhibitors | Comment | Organism | Structure |
|---|---|---|---|---|
| 1.11.1.6 | 3-Amino-1,2,4-triazole | 10 mM, 81% inhibition | Rhodospirillum rubrum |  |
| 1.11.1.6 | hydroxylamine | 0.00011 mM, 50% inhibition | Rhodospirillum rubrum | |
| 1.11.1.6 | Sodium azide | 0.00052 mM, 50% inhibition | Rhodospirillum rubrum | |
| 1.11.1.6 | Sodium cyanide | 0.0115 mM, 50% inhibition | Rhodospirillum rubrum | |
KM Value [mM]
| EC Number | KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
|---|---|---|---|---|---|---|
| 1.11.1.6 | 30.4 | - |
H2O2 | 25°C, pH 7.2 | Rhodospirillum rubrum | |
Molecular Weight [Da]
| EC Number | Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
|---|---|---|---|---|
| 1.11.1.6 | 79000 | - |
4 * 79000, SDS-PAGE | Rhodospirillum rubrum |
| 1.11.1.6 | 318000 | - |
gel filtration | Rhodospirillum rubrum |
Organic Solvent Stability
| EC Number | Organic Solvent | Comment | Organism |
|---|---|---|---|
| 1.11.1.6 | Ethanol | maintains 90% activity against ethanol/chloroform (enzyme solution: ethanol: chloroform = 10: 5: 3) | Rhodospirillum rubrum |
Organism
| EC Number | Organism | UniProt | Comment | Textmining |
|---|---|---|---|---|
| 1.11.1.6 | Rhodospirillum rubrum | - |
- |
- |
| 1.11.1.6 | Rhodospirillum rubrum S1 | - |
- |
- |
Purification (Commentary)
| EC Number | Purification (Comment) | Organism |
|---|---|---|
| 1.11.1.6 | - |
Rhodospirillum rubrum |
Specific Activity [micromol/min/mg]
| EC Number | Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
|---|---|---|---|---|
| 1.11.1.6 | 1256 | - |
- |
Rhodospirillum rubrum |
Substrates and Products (Substrate)
| EC Number | Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|---|
| 1.11.1.6 | H2O2 | - |
Rhodospirillum rubrum | O2 + H2O | - |
? | |
| 1.11.1.6 | H2O2 | - |
Rhodospirillum rubrum S1 | O2 + H2O | - |
? | |
| 1.11.1.6 | additional information | no detectable peroxidase activity | Rhodospirillum rubrum | ? | - |
? | |
| 1.11.1.6 | additional information | no detectable peroxidase activity | Rhodospirillum rubrum S1 | ? | - |
? | |
Subunits
| EC Number | Subunits | Comment | Organism |
|---|---|---|---|
| 1.11.1.6 | tetramer | 4 * 79000, SDS-PAGE | Rhodospirillum rubrum |
Temperature Optimum [°C]
| EC Number | Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
|---|---|---|---|---|
| 1.11.1.6 | 30 | - |
- |
Rhodospirillum rubrum |
Temperature Range [°C]
| EC Number | Temperature Minimum [°C] | Temperature Maximum [°C] | Comment | Organism |
|---|---|---|---|---|
| 1.11.1.6 | 20 | 80 | 20°C: about 75% of maximal activity, 80°C: about 65% of maximal activity | Rhodospirillum rubrum |
Temperature Stability [°C]
| EC Number | Temperature Stability Minimum [°C] | Temperature Stability Maximum [°C] | Comment | Organism |
|---|---|---|---|---|
| 1.11.1.6 | 20 | 60 | - |
Rhodospirillum rubrum |
pH Optimum
| EC Number | pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
|---|---|---|---|---|
| 1.11.1.6 | 5 | 9 | - |
Rhodospirillum rubrum |
pH Range
| EC Number | pH Minimum | pH Maximum | Comment | Organism |
|---|---|---|---|---|
| 1.11.1.6 | 3 | 11 | about 40% of maximal activity at pH 3 and at pH 10 | Rhodospirillum rubrum |
Cofactor
| EC Number | Cofactor | Comment | Organism | Structure |
|---|---|---|---|---|
| 1.11.1.6 | heme | - |
Rhodospirillum rubrum | |
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