Any feedback?
Please rate this page
(literature.php)
(0/150)

BRENDA support

Literature summary for 5.5.1.6 extracted from

  • Boland, M.J.; Wong, E.
    Purification and kinetic properties of chalcone-flavanone isomerase from soya bean (1975), Eur. J. Biochem., 50, 383-389.
    View publication on PubMed

Inhibitors

Inhibitors Comment Organism Structure
5,7,3',4',5'-Pentahydroxyflavonol i.e. myricetin, inhibits isomerization of 4,2',4'-trihydroxychalcone Glycine max
5,7,4'-Trihydroxyflavanone i.e. naringenin, inhibits isomerization of 4,2',4'-trihydroxychalcone Glycine max
5,7,4'-trihydroxyflavone i.e. apigenin, inhibits isomerization of 4,2',4'-trihydroxychalcone Glycine max
5,7,4'-trihydroxyflavonol i.e. kaempferol, inhibits isomerization of 4,2',4'-trihydroxychalcone Glycine max
6,4'-Dihydroxyaurone inhibits isomerization of 4,2',4'-trihydroxychalcone Glycine max
7,3',4'-Trihydroxyflavonol i.e. fisetin, inhibits isomerization of 4,2',4'-trihydroxychalcone Glycine max
7,3'-Dihydroxy-4'-methoxyflavonol inhibits isomerization of 4,2',4'-trihydroxychalcone Glycine max
7,4'-Dihydroxyflavone inhibits isomerization of 4,2',4'-trihydroxychalcone Glycine max
7,4'-dihydroxyflavonol inhibits isomerization of 4,2',4'-trihydroxychalcone Glycine max
7-Hydroxy,4'-methoxyflavone inhibits isomerization of 4,2',4'-trihydroxychalcone Glycine max

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.004
-
liquiritigenin
-
Glycine max
0.018
-
4,2',4'-trihydroxychalcone
-
Glycine max

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
15600
-
meniscus-depletion equilibrium sedimentation Glycine max

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
additional information Glycine max the enzyme plays an important role in flavonoid metabolism ?
-
?

Organism

Organism UniProt Comment Textmining
Glycine max
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Glycine max

Source Tissue

Source Tissue Comment Organism Textmining
seed
-
Glycine max
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
additional information
-
-
Glycine max

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
4,2',4',6'-Tetrahydroxychalcone
-
Glycine max 5,7,4'-Trihydroxyflavanone i.e. naringenin ?
4,2',4'-trihydroxychalcone r, at pH 7.6 Glycine max (2S)-4',7-dihydroxyflavanone the product is liquiritigenin ?
additional information the enzyme plays an important role in flavonoid metabolism Glycine max ?
-
?

Turnover Number [1/s]

Turnover Number Minimum [1/s] Turnover Number Maximum [1/s] Substrate Comment Organism Structure
additional information
-
additional information
-
Glycine max

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7 8.7 isomerization of 4,2',4'-trihydroxychalcone Glycine max