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Literature summary extracted from
- Chalcone isomerase from Citrus sinensis: purification and characterization (1994), Phytochemistry, 37, 127-132.
No PubMed abstract available
Inhibitors
| EC Number | Inhibitors | Comment | Organism | Structure |
|---|---|---|---|---|
| 5.5.1.6 | 5,7,4',5'-Tetrahydroxyflavanol | - |
Citrus sinensis |  |
| 5.5.1.6 | 5,7,4'-Trihydroxyflavanone | competitive towards 4,2',4',6'-tetrahydroxychalcone | Citrus sinensis | |
| 5.5.1.6 | morin | competitive towards 4,2',4',6'-tetrahydroxychalcone | Citrus sinensis | |
KM Value [mM]
| EC Number | KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
|---|---|---|---|---|---|---|
| 5.5.1.6 | 0.004 | - |
liquiritigenin | 4,2',4',6'-tetrahydroxychalcone | Citrus sinensis | |
Molecular Weight [Da]
| EC Number | Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
|---|---|---|---|---|
| 5.5.1.6 | 27200 | - |
gel filtration | Citrus sinensis |
| 5.5.1.6 | 27800 | - |
1 * 27800, SDS-PAGE | Citrus sinensis |
Organism
| EC Number | Organism | UniProt | Comment | Textmining |
|---|---|---|---|---|
| 5.5.1.6 | Citrus sinensis | - |
- |
- |
Purification (Commentary)
| EC Number | Purification (Comment) | Organism |
|---|---|---|
| 5.5.1.6 | - |
Citrus sinensis |
Source Tissue
| EC Number | Source Tissue | Comment | Organism | Textmining |
|---|---|---|---|---|
| 5.5.1.6 | fruit | developing | Citrus sinensis | - |
Specific Activity [micromol/min/mg]
| EC Number | Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
|---|---|---|---|---|
| 5.5.1.6 | additional information | - |
- |
Citrus sinensis |
Substrates and Products (Substrate)
| EC Number | Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|---|
| 5.5.1.6 | 4,2',4',6'-Tetrahydroxychalcone | i.e. naringenin chalcone | Citrus sinensis | 5,7,4'-Trihydroxyflavanone | - |
? | |
| 5.5.1.6 | liquiritigenin | - |
Citrus sinensis | isoliquiritigenin | - |
? | |
Subunits
| EC Number | Subunits | Comment | Organism |
|---|---|---|---|
| 5.5.1.6 | monomer | 1 * 27800, SDS-PAGE | Citrus sinensis |
Turnover Number [1/s]
| EC Number | Turnover Number Minimum [1/s] | Turnover Number Maximum [1/s] | Substrate | Comment | Organism | Structure |
|---|---|---|---|---|---|---|
| 5.5.1.6 | 1.87 | - |
4,2',4',6'-Tetrahydroxychalcone | - |
Citrus sinensis | |
pH Optimum
| EC Number | pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
|---|---|---|---|---|
| 5.5.1.6 | 7.4 | - |
- |
Citrus sinensis |
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