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Literature summary for 1.8.1.7 extracted from
- Characterization of recombinant glutathione reductase from the psychrophilic Antarctic bacterium Colwellia psychrerythraea (2015), Extremophiles, 19, 863-874 .
Cloned(Commentary)
| Cloned (Comment) | Organism |
|---|---|
| expression in Escherichia coli | Colwellia psychrerythraea |
KM Value [mM]
| KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
|---|---|---|---|---|---|
| 0.0045 | - |
NADPH | 4°C, pH not specified in the publication | Colwellia psychrerythraea |  |
| 0.0109 | - |
NADPH | 25°C, pH not specified in the publication | Colwellia psychrerythraea | |
Molecular Weight [Da]
| Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
|---|---|---|---|
| 95240 | - |
gel filtration | Colwellia psychrerythraea |
Organism
| Organism | UniProt | Comment | Textmining |
|---|---|---|---|
| Colwellia psychrerythraea | - |
- |
- |
Purification (Commentary)
| Purification (Comment) | Organism |
|---|---|
| color of the purified enzyme is yellow, and it has an absorption spectrum characteristic of flavoproteins | Colwellia psychrerythraea |
Substrates and Products (Substrate)
| Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| glutathione disulfide + NADPH + H+ | - |
Colwellia psychrerythraea | glutathione + NADP+ | - |
? | |
Subunits
| Subunits | Comment | Organism |
|---|---|---|
| dimer | 2 * 50000, SDS-PAGE, 2 * 48700, MALDI-TOF | Colwellia psychrerythraea |
Temperature Stability [°C]
| Temperature Stability Minimum [°C] | Temperature Stability Maximum [°C] | Comment | Organism |
|---|---|---|---|
| 45 | - |
3 h, 75% resiudal activity | Colwellia psychrerythraea |
| 50 | - |
half-life 40 min | Colwellia psychrerythraea |
| 55 | - |
half-life 8 min | Colwellia psychrerythraea |
| 60 | - |
half-life below 2 min | Colwellia psychrerythraea |
Turnover Number [1/s]
| Turnover Number Minimum [1/s] | Turnover Number Maximum [1/s] | Substrate | Comment | Organism | Structure |
|---|---|---|---|---|---|
| 217 | - |
NADPH | 4°C, pH not specified in the publication | Colwellia psychrerythraea | |
| 700 | - |
NADPH | 25°C, pH not specified in the publication | Colwellia psychrerythraea | |
Cofactor
| Cofactor | Comment | Organism | Structure |
|---|---|---|---|
| FAD | color of the purified enzyme is yellow, and it has an absorption spectrum characteristic of flavoproteins | Colwellia psychrerythraea | |
| NADPH | - |
Colwellia psychrerythraea | |
General Information
| General Information | Comment | Organism |
|---|---|---|
| physiological function | gene is able to complement an Escherichia coli glutathione reductase deletion strain in oxidative stress growth assays | Colwellia psychrerythraea |
kcat/KM [mM/s]
| kcat/KM Value [1/mMs-1] | kcat/KM Value Maximum [1/mMs-1] | Substrate | Comment | Organism | Structure |
|---|---|---|---|---|---|
| 46.7 | - |
NADPH | 4°C, pH not specified in the publication | Colwellia psychrerythraea | |
| 63.3 | - |
NADPH | 25°C, pH not specified in the publication | Colwellia psychrerythraea | |
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