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Literature summary for 1.2.1.13 extracted from
- Characterization of two D-glyceraldehyde-3-phosphate dehydrogenases from the extremely thermophilic archaebacterium Thermoproteus tenax (1987), Eur. J. Biochem., 170, 325-333.
General Stability
| General Stability | Organism |
|---|---|
| the enzyme is stabilized by glycerol, several salts, especially sodium or potassium phosphate | Thermoproteus tenax |
KM Value [mM]
| KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
|---|---|---|---|---|---|
| 0.027 | - |
NADP+ | - |
Thermoproteus tenax |  |
| 30 | - |
arsenate | - |
Thermoproteus tenax | |
| 50 | - |
phosphate | - |
Thermoproteus tenax | |
Molecular Weight [Da]
| Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
|---|---|---|---|
| 39000 | - |
x * 39000, SDS-PAGE | Thermoproteus tenax |
| 39000 | - |
4 * 39000, SDS-PAGE | Thermoproteus tenax |
| 210000 | - |
gel filtration | Thermoproteus tenax |
Organism
| Organism | UniProt | Comment | Textmining |
|---|---|---|---|
| Thermoproteus tenax | - |
- |
- |
Specific Activity [micromol/min/mg]
| Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
|---|---|---|---|
| 17 | - |
- |
Thermoproteus tenax |
Substrates and Products (Substrate)
| Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| D-glyceraldehyde 3-phosphate + arsenate + NADP+ | - |
Thermoproteus tenax | 3-phospho-D-glyceroyl arsenate + NADPH | - |
? | |
| D-glyceraldehyde 3-phosphate + phosphate + NADP+ | - |
Thermoproteus tenax | 3-phospho-D-glyceroyl phosphate + NADPH | - |
? | |
Subunits
| Subunits | Comment | Organism |
|---|---|---|
| ? | x * 39000, SDS-PAGE | Thermoproteus tenax |
| tetramer | 4 * 39000, SDS-PAGE | Thermoproteus tenax |
Temperature Stability [°C]
| Temperature Stability Minimum [°C] | Temperature Stability Maximum [°C] | Comment | Organism |
|---|---|---|---|
| 96 | - |
half-life: 130 min | Thermoproteus tenax |
| 100 | - |
half-life: 35 min | Thermoproteus tenax |
pH Optimum
| pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
|---|---|---|---|
| 7 | - |
oxidation of D-glyceraldehyde-3-phosphate | Thermoproteus tenax |
| 8 | - |
reduction of 3-phospho-D-glyceroyl phosphate | Thermoproteus tenax |
Cofactor
| Cofactor | Comment | Organism | Structure |
|---|---|---|---|
| NADP+ | cofactor | Thermoproteus tenax | |
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