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Literature summary for 5.5.1.6 extracted from

  • Fouche, S.D.; Dubery, I.A.
    Chalcone isomerase from Citrus sinensis: purification and characterization (1994), Phytochemistry, 37, 127-132.
No PubMed abstract available
Search for more literature for 5.5.1.6

Inhibitors

Inhibitors Comment Organism Structure
5,7,4',5'-Tetrahydroxyflavanol
-
 Citrus sinensis
5,7,4'-Trihydroxyflavanone competitive towards 4,2',4',6'-tetrahydroxychalcone Citrus sinensis
morin competitive towards 4,2',4',6'-tetrahydroxychalcone Citrus sinensis

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.004
-
 liquiritigenin 4,2',4',6'-tetrahydroxychalcone Citrus sinensis

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
27200
-
 gel filtration Citrus sinensis
27800
-
 1 * 27800, SDS-PAGE Citrus sinensis

Organism

Organism UniProt Comment Textmining
Citrus sinensis
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
 Citrus sinensis

Source Tissue

Source Tissue Comment Organism Textmining
fruit developing Citrus sinensis
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
additional information
-
-
 Citrus sinensis

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
4,2',4',6'-Tetrahydroxychalcone i.e. naringenin chalcone Citrus sinensis 5,7,4'-Trihydroxyflavanone
-
 ?
liquiritigenin
-
 Citrus sinensis isoliquiritigenin
-
 ?

Subunits

Subunits Comment Organism
monomer 1 * 27800, SDS-PAGE Citrus sinensis

Turnover Number [1/s]

Turnover Number Minimum [1/s] Turnover Number Maximum [1/s] Substrate Comment Organism Structure
1.87
-
 4,2',4',6'-Tetrahydroxychalcone
-
 Citrus sinensis

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7.4
-
-
 Citrus sinensis