Activating Compound | Comment | Organism | Structure |
---|---|---|---|
D-glucose 6-phosphate | - |
Hydrilla verticillata |
Inhibitors | Comment | Organism | Structure |
---|---|---|---|
malate | - |
Hydrilla verticillata |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
0.79 | - |
phosphoenolpyruvate | C3 extract, light-harvested PEPC in the absence of D-glucose 6-phosphate | Hydrilla verticillata | |
0.92 | - |
phosphoenolpyruvate | C3 extract, dark-harvested PEPC in the absence of D-glucose 6-phosphate | Hydrilla verticillata | |
1.89 | - |
phosphoenolpyruvate | C3 extract, light-harvested PEPC in the presence of 5 mM D-glucose 6-phosphate | Hydrilla verticillata | |
2.26 | - |
phosphoenolpyruvate | C3 extract, dark-harvested PEPC in the presence of 5 mM D-glucose 6-phosphate | Hydrilla verticillata |
Metals/Ions | Comment | Organism | Structure |
---|---|---|---|
Mg2+ | - |
Hydrilla verticillata |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Hydrilla verticillata | - |
- |
- |
Posttranslational Modification | Comment | Organism |
---|---|---|
phosphoprotein | - |
Hydrilla verticillata |
Source Tissue | Comment | Organism | Textmining |
---|---|---|---|
leaf | - |
Hydrilla verticillata | - |
additional information | phosphoenolpyruvate carboxylase contains two isoforms in Hydrilla verticillata, hvpepc3 and hvpepc4. Transcript expression of hvpepc4 is substantially up-regulated during C4 induction, especially in the light. It is suggested that hvpepc4 encodes the C4 photosynthetic PEPC, and hvpepc3 encodes an anaplerotic form | Hydrilla verticillata | - |
Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|
0.012 | - |
photosynthetic rate: C3, harvest period: light, + 5 mM malate | Hydrilla verticillata |
0.016 | - |
photosynthetic rate: C3, harvest period: dark, + 5 mM malate | Hydrilla verticillata |
0.019 | - |
photosynthetic rate: C3, harvest period: light, + 5 mM malate and + 5 mM D-glucose 6-phosphate | Hydrilla verticillata |
0.023 | - |
photosynthetic rate: C3, harvest period: light, control | Hydrilla verticillata |
0.027 | - |
photosynthetic rate: C3, harvest period: dark, control | Hydrilla verticillata |
0.028 | - |
photosynthetic rate: C3, harvest period: dark, + 5 mM malate and + 5 mM D-glucose 6-phosphate | Hydrilla verticillata |
0.052 | - |
photosynthetic rate: C3, harvest period: light, + 5 mM D-glucose 6-phosphate | Hydrilla verticillata |
0.067 | - |
photosynthetic rate: C3, harvest period: dark, + 5 mM D-glucose 6-phosphate | Hydrilla verticillata |
0.134 | - |
photosynthetic rate: C3, harvest period: dark, + 5 mM malate | Hydrilla verticillata |
0.17 | - |
photosynthetic rate: C4, harvest period: light, + 5 mM malate | Hydrilla verticillata |
0.213 | - |
photosynthetic rate: C3, harvest period: dark, control | Hydrilla verticillata |
0.326 | - |
photosynthetic rate: C4, harvest period: light, control | Hydrilla verticillata |
0.374 | - |
photosynthetic rate: C4, harvest period: light, + 5 mM malate and + 5 mM D-glucose 6-phosphate | Hydrilla verticillata |
0.433 | - |
photosynthetic rate: C4, harvest period: light, + 5 mM D-glucose 6-phosphate | Hydrilla verticillata |
0.449 | - |
photosynthetic rate: C3, harvest period: dark, + 5 mM malate and + 5 mM D-glucose 6-phosphate | Hydrilla verticillata |
0.461 | - |
photosynthetic rate: C3, harvest period: dark, + 5 mM D-glucose 6-phosphate | Hydrilla verticillata |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
phosphoenolpyruvate + CO2 | - |
Hydrilla verticillata | phosphate + oxaloacetate | - |
? |
Synonyms | Comment | Organism |
---|---|---|
Hvpepc3 | - |
Hydrilla verticillata |
Hvpepc4 | - |
Hydrilla verticillata |
PEPC | - |
Hydrilla verticillata |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
8 | - |
- |
Hydrilla verticillata |
IC50 Value | IC50 Value Maximum | Comment | Organism | Inhibitor | Structure |
---|---|---|---|---|---|
0.2 | - |
harvest period: dark | Hydrilla verticillata | malate | |
0.4 | - |
harvest period: light | Hydrilla verticillata | malate |