Inhibitors | Comment | Organism | Structure |
---|---|---|---|
2-carboxyarabinitol-1-phosphate | the inhibitor from darkened leaves of Zoysia japonica is identified as 2-carboxyarabinitol-1-phosphate. Consistent with the presence of 2-carboxyarabinitol-1-phosphate, the total activity of Rubisco is decreased after 12 h darkness in Zoysia japonica | Zoysia japonica |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
0.00185 | - |
CO2 | Vmax carboxylation: 3.78 micromol/min/mg | Zoysia japonica | |
0.0021 | - |
CO2 | Vmax carboxylation: 3.41 micromol/min/mg | Cynodon dactylon | |
0.0109 | - |
CO2 | Vmax carboxylation: 2.54 micromol/min/mg | Paspalum dilatatum | |
0.019 | - |
CO2 | Vmax carboxylation: 3.11 micromol/min/mg | Paspalum dilatatum | |
0.341 | - |
O2 | Vmax oxygenation: 0.79 micromol/min/mg | Paspalum dilatatum | |
0.402 | - |
O2 | Vmax oxygenation: 0.73 micromol/min/mg | Cynodon dactylon | |
0.403 | - |
O2 | Vmax oxygenation: 0.98 micromol/min/mg | Zoysia japonica | |
0.415 | - |
O2 | Vmax oxygenation: 0.71 micromol/min/mg | Paspalum dilatatum |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Cynodon dactylon | B0B766 | fragment | - |
Paspalum dilatatum | B0B744 | fragment | - |
Zoysia japonica | B0B758 | fragment | - |
Source Tissue | Comment | Organism | Textmining |
---|---|---|---|
leaf | - |
Paspalum dilatatum | - |
leaf | - |
Cynodon dactylon | - |
leaf | - |
Zoysia japonica | - |
Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|
1.73 | - |
light, control | Cynodon dactylon |
1.74 | - |
dark, control | Zoysia japonica |
1.74 | - |
dark, drought stress | Zoysia japonica |
1.79 | - |
light, drought stress | Cynodon dactylon |
1.81 | - |
dark, drought stress | Cynodon dactylon |
1.83 | - |
dark, control | Cynodon dactylon |
1.96 | - |
dark, drought stress | Paspalum dilatatum |
2.03 | - |
dark, control | Paspalum dilatatum |
2.11 | - |
light, control | Paspalum dilatatum |
2.14 | - |
light, drought stress | Paspalum dilatatum |
2.36 | - |
light, control | Zoysia japonica |
2.39 | - |
light, drought stress | Zoysia japonica |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
D-Ribulose 1,5-bisphosphate + CO2 | - |
Paspalum dilatatum | ? | - |
? | |
D-Ribulose 1,5-bisphosphate + CO2 | - |
Cynodon dactylon | ? | - |
? | |
D-Ribulose 1,5-bisphosphate + CO2 | - |
Zoysia japonica | ? | - |
? | |
D-ribulose 1,5-bisphosphate + O2 | - |
Paspalum dilatatum | ? | - |
? | |
D-ribulose 1,5-bisphosphate + O2 | - |
Cynodon dactylon | ? | - |
? | |
D-ribulose 1,5-bisphosphate + O2 | - |
Zoysia japonica | ? | - |
? |
Synonyms | Comment | Organism |
---|---|---|
Ribulose 1,5-bisphosphate carboxylase/oxygenase | - |
Paspalum dilatatum |
Ribulose 1,5-bisphosphate carboxylase/oxygenase | - |
Cynodon dactylon |
Ribulose 1,5-bisphosphate carboxylase/oxygenase | - |
Zoysia japonica |
Rubisco | - |
Paspalum dilatatum |
Rubisco | - |
Cynodon dactylon |
Rubisco | - |
Zoysia japonica |
Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
---|---|---|---|
25 | - |
assay at | Paspalum dilatatum |
25 | - |
assay at | Cynodon dactylon |
25 | - |
assay at | Zoysia japonica |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
8.2 | - |
assay at | Paspalum dilatatum |
8.2 | - |
assay at | Cynodon dactylon |
8.2 | - |
assay at | Zoysia japonica |
General Information | Comment | Organism |
---|---|---|
physiological function | Rubisco initial and total activities decrease slightly with water deficit, but maximal activity and Rubisco quantity remain unchanged, consistent with commonly observed drought effects. No significant differences in Rubisco total activities are observed between the light and dark-adapted leaves of Paspalum dilatatum and Cynodon dactylon and therefore no evidence is shown of a bound inhibitor for these two species. In neither light nor dark is there evidence of an increase in tight-binding inhibitor with drought stress | Paspalum dilatatum |
physiological function | Rubisco initial and total activities decrease slightly with water deficit, but maximal activity and Rubisco quantity remain unchanged, consistent with commonly observed drought effects. No significant differences in Rubisco total activities are observed between the light and dark-adapted leaves of Paspalum dilatatum and Cynodon dactylon and therefore no evidence is shown of a bound inhibitor for these two species. In neither light nor dark is there evidence of an increase in tight-binding inhibitor with drought stress | Cynodon dactylon |
physiological function | Rubisco initial and total activities decrease slightly with water deficit, but maximal activity and Rubisco quantity remain unchanged, consistent with commonly observed drought effects. Significant differences in Rubisco total activities are observed between the light and dark-adapted leaves of Zoysia japonica. The total activities of Rubisco in dark-adapted leaves of this species (after the 12 h dark period) are 74% of the total activities in leaves harvested in the light, meaning that inhibitors are bound to 26% of the catalytic sites in the dark. This result is independent of water deficit | Zoysia japonica |