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Literature summary for 3.2.1.26 extracted from
- Purification and characterization of Ricinus communis invertase (1985), J. Biol. Chem., 260, 4952-4957.
Activating Compound
| Activating Compound | Comment | Organism | Structure |
|---|---|---|---|
| bovine serum albumin | activates | Ricinus communis | |
| Dextran sulfate | - |
Ricinus communis | |
| heparin | activates | Ricinus communis |  |
| Polyvinylpyrrolidone | activates | Ricinus communis | |
Inhibitors
| Inhibitors | Comment | Organism | Structure |
|---|---|---|---|
| ascorbic acid | - |
Ricinus communis | |
| fructose | - |
Ricinus communis | |
| fructose 1,6-diphosphate | - |
Ricinus communis | |
| glucose | - |
Ricinus communis | |
| Heptamolybdate | - |
Ricinus communis | |
| Maleic acid | - |
Ricinus communis | |
| malic acid | - |
Ricinus communis | |
| Mn2+ | - |
Ricinus communis | |
| PCMB | - |
Ricinus communis | |
| pyridoxal | - |
Ricinus communis | |
| pyridoxine | - |
Ricinus communis | |
| trans-aconitic acid | - |
Ricinus communis | |
| Zn2+ | - |
Ricinus communis | |
KM Value [mM]
| KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
|---|---|---|---|---|---|
| 8.7 | - |
sucrose | - |
Ricinus communis | |
Molecular Weight [Da]
| Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
|---|---|---|---|
| 11000 | - |
7 * 11000, gel filtration in presence of SDS | Ricinus communis |
| 78000 | - |
gel filtration | Ricinus communis |
Organism
| Organism | UniProt | Comment | Textmining |
|---|---|---|---|
| Ricinus communis | - |
- |
- |
Purification (Commentary)
| Purification (Comment) | Organism |
|---|---|
- |
Ricinus communis |
Source Tissue
| Source Tissue | Comment | Organism | Textmining |
|---|---|---|---|
| leaf | - |
Ricinus communis | - |
Specific Activity [micromol/min/mg]
| Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
|---|---|---|---|
| additional information | - |
- |
Ricinus communis |
Substrates and Products (Substrate)
| Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| sucrose + H2O | - |
Ricinus communis | D-fructose + D-glucose | - |
? | |
Subunits
| Subunits | Comment | Organism |
|---|---|---|
| heptamer | 7 * 11000, gel filtration in presence of SDS | Ricinus communis |
Turnover Number [1/s]
| Turnover Number Minimum [1/s] | Turnover Number Maximum [1/s] | Substrate | Comment | Organism | Structure |
|---|---|---|---|---|---|
| additional information | - |
additional information | - |
Ricinus communis |
pH Optimum
| pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
|---|---|---|---|
| 3.5 | - |
and a second optimum at pH 5.5 | Ricinus communis |
| 5.5 | - |
and a second optimum at pH 3.5 | Ricinus communis |
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