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Literature summary extracted from
- Enolase isozymes from Ricinus communis: partial purification and characterization of the isozymes (1984), Arch. Biochem. Biophys., 233, 643-651.
Inhibitors
| EC Number | Inhibitors | Comment | Organism | Structure |
|---|---|---|---|---|
| 4.2.1.11 | 2-phosphoglycerate | competitive | Ricinus communis |  |
| 4.2.1.11 | F- | - |
Ricinus communis | |
KM Value [mM]
| EC Number | KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
|---|---|---|---|---|---|---|
| 4.2.1.11 | 0.025 | - |
2-phospho-D-glycerate | plastidic isoenzyme | Ricinus communis | |
| 4.2.1.11 | 0.061 | - |
2-phospho-D-glycerate | cytosolic isoenzyme | Ricinus communis | |
| 4.2.1.11 | 2.6 | - |
phosphoenolpyruvate | plastidic isoenzyme | Ricinus communis | |
| 4.2.1.11 | 7.2 | - |
phosphoenolpyruvate | cytosolic isoenzyme | Ricinus communis | |
Localization
| EC Number | Localization | Comment | Organism | GeneOntology No. | Textmining |
|---|---|---|---|---|---|
| 4.2.1.11 | cytosol | - |
Ricinus communis | 5829 | - |
| 4.2.1.11 | plastid | - |
Ricinus communis | 9536 | - |
Metals/Ions
| EC Number | Metals/Ions | Comment | Organism | Structure |
|---|---|---|---|---|
| 4.2.1.11 | Co2+ | less than 40% of the activation with Mg2+ | Ricinus communis | |
| 4.2.1.11 | Mg2+ | absolute requirement for divalent metal ions, Mg2+ is most effective | Ricinus communis | |
| 4.2.1.11 | Mn2+ | Km for the cytoplasmic isoenzyme: 1.2 mM | Ricinus communis | |
| 4.2.1.11 | Mn2+ | absolute requirement for divalent metal ions | Ricinus communis | |
| 4.2.1.11 | Mn2+ | Km for the plastidic isoenzyme: 1.4 mM | Ricinus communis | |
| 4.2.1.11 | Mn2+ | 10% of the activation with Mg2+ | Ricinus communis | |
Organism
| EC Number | Organism | UniProt | Comment | Textmining |
|---|---|---|---|---|
| 4.2.1.11 | Ricinus communis | - |
L. Cv. Baker 296 | - |
Purification (Commentary)
| EC Number | Purification (Comment) | Organism |
|---|---|---|
| 4.2.1.11 | partial | Ricinus communis |
Source Tissue
| EC Number | Source Tissue | Comment | Organism | Textmining |
|---|---|---|---|---|
| 4.2.1.11 | endosperm | developing | Ricinus communis | - |
Specific Activity [micromol/min/mg]
| EC Number | Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
|---|---|---|---|---|
| 4.2.1.11 | 197.4 | - |
plastidic isoenzyme | Ricinus communis |
| 4.2.1.11 | 200 | - |
- |
Ricinus communis |
| 4.2.1.11 | 252.4 | - |
cytosolic isoenzyme | Ricinus communis |
Substrates and Products (Substrate)
| EC Number | Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|---|
| 4.2.1.11 | 2-phospho-D-glycerate | - |
Ricinus communis | phosphoenolpyruvate | - |
r | |
| 4.2.1.11 | 2-phospho-D-glycerate | - |
Ricinus communis | phosphoenolpyruvate + H2O | - |
? | |
| 4.2.1.11 | phosphoenolpyruvate | - |
Ricinus communis | 2-phospho-D-glycerate | - |
r | |
pH Optimum
| EC Number | pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
|---|---|---|---|---|
| 4.2.1.11 | 6 | - |
formation of 2-phosphoglycerate, plastidic isoenzyme | Ricinus communis |
| 4.2.1.11 | 7.5 | - |
formation of phosphoenolpyruvate | Ricinus communis |
| 4.2.1.11 | 7.8 | - |
formation of 2-phosphoglycerate, cytosolic isoenzyme | Ricinus communis |
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