Any feedback?
Literature summary extracted from
- Corn leaf phosphoenolpyruvate carboxylases. Purification and properties of two isoenzymes (1977), Arch. Biochem. Biophys., 182, 343-351.
KM Value [mM]
| EC Number | KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
|---|---|---|---|---|---|---|
| 4.1.1.31 | 0.047 | - |
phosphoenolpyruvate | isoenzyme PC-II | Zea mays |  |
| 4.1.1.31 | 0.1 | - |
phosphoenolpyruvate | isoenzyme PC-I | Zea mays | |
| 4.1.1.31 | 1.28 | - |
HCO3- | isoenzyme PC-II | Zea mays | |
| 4.1.1.31 | 1.45 | - |
HCO3- | isoenzyme PC-I | Zea mays | |
Metals/Ions
| EC Number | Metals/Ions | Comment | Organism | Structure |
|---|---|---|---|---|
| 4.1.1.31 | Mg2+ | activates | Zea mays | |
| 4.1.1.31 | Mg2+ | Km for isoenzyme PC-II: 0.015 mM | Zea mays | |
| 4.1.1.31 | Mg2+ | Km for isoenzyme PC-I: 0.032 mM | Zea mays | |
| 4.1.1.31 | Mn2+ | Km for isoenzyme PC-II: 0.0067 mM | Zea mays | |
| 4.1.1.31 | Mn2+ | Km for isoenzyme PC-I: 0.0102 mM | Zea mays | |
Molecular Weight [Da]
| EC Number | Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
|---|---|---|---|---|
| 4.1.1.31 | 225700 | - |
sucrose density gradient centrifugation, isoenzyme PC-I | Zea mays |
| 4.1.1.31 | 270800 | - |
sucrose density gradient centrifugation, isoenzyme PC-II | Zea mays |
Organism
| EC Number | Organism | UniProt | Comment | Textmining |
|---|---|---|---|---|
| 4.1.1.31 | Zea mays | - |
- |
- |
Purification (Commentary)
| EC Number | Purification (Comment) | Organism |
|---|---|---|
| 4.1.1.31 | isoenzyme PC-I and PC-II | Zea mays |
Source Tissue
| EC Number | Source Tissue | Comment | Organism | Textmining |
|---|---|---|---|---|
| 4.1.1.31 | leaf | - |
Zea mays | - |
Substrates and Products (Substrate)
| EC Number | Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|---|
| 4.1.1.31 | phosphoenolpyruvate + CO2 | - |
Zea mays | phosphate + oxaloacetate | - |
? | |
| 4.1.1.31 | phosphoenolpyruvate + HCO3- | - |
Zea mays | phosphate + oxaloacetate | - |
? | |
Temperature Optimum [°C]
| EC Number | Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
|---|---|---|---|---|
| 4.1.1.31 | 40 | - |
isoenzyme PC-I | Zea mays |
Temperature Stability [°C]
| EC Number | Temperature Stability Minimum [°C] | Temperature Stability Maximum [°C] | Comment | Organism |
|---|---|---|---|---|
| 4.1.1.31 | 45 | - |
50% inactivation after 87 s, isoenzyme PC-I. 50% inactivation after 100 s, isoenzyme PC-II | Zea mays |
| 4.1.1.31 | 50 | - |
50% inactivation after 18 s, isoenzyme PC-I. 50% inactivation after 28 s, isoenzyme PC-II | Zea mays |
| 4.1.1.31 | 55 | - |
50% inactivation after 13 s, isoenzyme PC-I. 50% inactivation after 17 s, isoenzyme PC-II | Zea mays |
Use of this online version of BRENDA is free under the CC BY 4.0 license. See terms of use for full details.
Release 2023.1 (January 2023)
Legal
Curated at
Member of
