Inhibitors | Comment | Organism | Structure |
---|---|---|---|
2-oxoglutarate | inhibition of enzyme form PEPC I and PEPC II, no inhibition of enzyme form PEPC III | Lupinus luteus | |
Asp | at pH 7.2, weak competitive inhibition for enzyme form PEPC I, strong competitive inhibition for enzyme form PEPC II and enzyme form PEPC III | Lupinus luteus | |
Glu | inhibition of enzyme form PEPC I and PEPC II, no inhibition of enzyme form PEPC III | Lupinus luteus | |
malate | competitive inhibitor of enzyme form PEPC I and enzyme form PEPC III, mixed-type inhibitor for enzyme form PEPC II | Lupinus luteus | |
pyruvate | inhibition of enzyme form PEPC I and PEPC II, no inhibition of enzyme form PEPC III | Lupinus luteus |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
0.09 | - |
phosphoenolpyruvate | enzyme form PEPC I | Lupinus luteus | |
0.15 | - |
phosphoenolpyruvate | enzyme form PEPC III | Lupinus luteus | |
0.18 | - |
phosphoenolpyruvate | enzyme form PEPC II | Lupinus luteus | |
0.25 | - |
HCO3- | enzyme form PEPC I | Lupinus luteus | |
0.7 | - |
HCO3- | enzyme form PEPC III | Lupinus luteus | |
0.9 | - |
HCO3- | enzyme form PEPC II | Lupinus luteus |
Metals/Ions | Comment | Organism | Structure |
---|---|---|---|
Mg2+ | activates | Lupinus luteus |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Lupinus luteus | - |
- |
- |
Source Tissue | Comment | Organism | Textmining |
---|---|---|---|
root | enzyme form PEPC III | Lupinus luteus | - |
root nodule | 2 enzyme form: PEPC I and PEPC II | Lupinus luteus | - |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
phosphoenolpyruvate + CO2 | - |
Lupinus luteus | phosphate + oxaloacetate | - |
? | |
phosphoenolpyruvate + HCO3- | - |
Lupinus luteus | phosphate + oxaloacetate | - |
? |
Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
---|---|---|---|
39 | - |
enzyme form PEPC I | Lupinus luteus |
43 | - |
enzyme form PEPC II and enzyme form PEPC III | Lupinus luteus |
Temperature Stability Minimum [°C] | Temperature Stability Maximum [°C] | Comment | Organism |
---|---|---|---|
50 | - |
enzyme form PEPC I: complete inactivation after 15 s, enzyme forms PEPC II and PEPC III: complete inactivation after 25 s | Lupinus luteus |