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Literature summary for 2.7.2.11 extracted from
- Glutamate kinase as a potential biomarker of heavy metal stress in plants (2008), Ecotoxicol. Environ. Saf., 70, 223-230.
Inhibitors
| Inhibitors | Comment | Organism | Structure |
|---|---|---|---|
| Cd2+ | increased content in soil decreases enzyme activity | Spinacia oleracea |  |
| Zn2+ | increased content in soil decreases enzyme activity | Spinacia oleracea | |
Metals/Ions
| Metals/Ions | Comment | Organism | Structure |
|---|---|---|---|
| Cd2+ | increased content in soil decreases enzyme activity | Spinacia oleracea | |
| Zn2+ | increased content in soil decreases enzyme activity | Spinacia oleracea | |
Organism
| Organism | UniProt | Comment | Textmining |
|---|---|---|---|
| Spinacia oleracea | - |
cv. Matador | - |
Source Tissue
| Source Tissue | Comment | Organism | Textmining |
|---|---|---|---|
| leaf | above-ground biomass | Spinacia oleracea | - |
| shoot | above-ground biomass | Spinacia oleracea | - |
Specific Activity [micromol/min/mg]
| Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
|---|---|---|---|
| additional information | - |
relative changes of glutamate kinase activity in above-ground biomass determined, changes of enzyme activity suggests regulatory role in plant heavy metal stress adaptation, potential use as a stress biomarker, toxic effects of cadmium and zinc tested at different levels, significant decrease of enzyme activity in plants grown on contaminated treatments, decline in period of damage of cell activities, increase of activity in period of maximum resistance and following decrease in period of the plant metabolism depletion | Spinacia oleracea |
Substrates and Products (Substrate)
| Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| additional information | relation of glutamate kinase activity to cadmium and zinc concentration in the above-ground biomass, regulatory role in plant heavy metal stress adaptation | Spinacia oleracea | ? | - |
? | |
Synonyms
| Synonyms | Comment | Organism |
|---|---|---|
| GKA | - |
Spinacia oleracea |
pH Optimum
| pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
|---|---|---|---|
| 7.6 | - |
activity assay at, 50 mM phosphate buffer | Spinacia oleracea |
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Release 2023.1 (January 2023)
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