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Literature summary for 2.3.1.74 extracted from

  • Whitehead, I.M.; Dixon, R.A.
    Chalcone synthase from cell suspension cultures of phaseolus vulgaris L. (1983), Biochim. Biophys. Acta, 747, 298-303.
No PubMed abstract available

Activating Compound

Activating Compound Comment Organism Structure
2-mercaptoethanol 2fold increase at 20 mM Phaseolus vulgaris
dithiothreitol 4fold increase at 20 mM Phaseolus vulgaris

Inhibitors

Inhibitors Comment Organism Structure
2'-hydroxygenistein
-
Phaseolus vulgaris
cerulenin
-
Phaseolus vulgaris
Dalbergioidin
-
Phaseolus vulgaris
isoliquiritigenin
-
Phaseolus vulgaris
Kievitone 50% inhibition at 0.001 mM Phaseolus vulgaris
naringenin
-
Phaseolus vulgaris

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.0023
-
4-coumaroyl-CoA
-
Phaseolus vulgaris
0.0214
-
malonyl-CoA
-
Phaseolus vulgaris

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
77000
-
gel filtration Phaseolus vulgaris

Organism

Organism UniProt Comment Textmining
Phaseolus vulgaris
-
-
-

Purification (Commentary)

Purification (Comment) Organism
31fold Phaseolus vulgaris

Source Tissue

Source Tissue Comment Organism Textmining
cell suspension culture
-
Phaseolus vulgaris
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
0.00176
-
-
Phaseolus vulgaris

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
malonyl-CoA + 4-coumaroyl-CoA
-
Phaseolus vulgaris naringenin chalcone + CoA + CO2
-
?

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
40
-
-
Phaseolus vulgaris

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
8
-
-
Phaseolus vulgaris

Ki Value [mM]

Ki Value [mM] Ki Value maximum [mM] Inhibitor Comment Organism Structure
0.0207
-
Kievitone
-
Phaseolus vulgaris