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Literature summary for 2.3.1.74 extracted from

  • Hrazdina, G.; Lifson, E.; Weeden, N.F.
    Isolation and characterization of buckwheat (Fagopyrum esculentum M.) chalcone synthase and its polyclonal antibodies (1986), Arch. Biochem. Biophys., 247, 414-419.
    View publication on PubMed

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.0006
-
4-coumaroyl-CoA
-
Fagopyrum esculentum
0.001
-
malonyl-CoA
-
Fagopyrum esculentum

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
41000
-
2 * 41000, SDS-PAGE Fagopyrum esculentum
83000
-
gel filtration Fagopyrum esculentum

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
4-coumaroyl-CoA + 3 malonyl-CoA Fagopyrum esculentum
-
naringenin chalcone + 4 CoA + 3 CO2
-
?

Organism

Organism UniProt Comment Textmining
Fagopyrum esculentum
-
buckwheat
-

Purification (Commentary)

Purification (Comment) Organism
homogeneity Fagopyrum esculentum

Source Tissue

Source Tissue Comment Organism Textmining
hypocotyl
-
Fagopyrum esculentum
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
additional information
-
-
Fagopyrum esculentum

Storage Stability

Storage Stability Organism
-20°C, 10% glycerol, 6 months, 20% loss of activity Fagopyrum esculentum

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
4-coumaroyl-CoA + 3 malonyl-CoA
-
Fagopyrum esculentum naringenin chalcone + 4 CoA + 3 CO2
-
?
caffeoyl-CoA + 3 malonyl-CoA 80% enzyme activity Fagopyrum esculentum eriodictyol + 4 CoA + 3 CO2
-
?
ferulyl-CoA + malonyl-CoA 80% enzyme activity Fagopyrum esculentum homoeriodictyol + CoA + CO2
-
?
malonyl-CoA + 4-coumaroyl-CoA
-
Fagopyrum esculentum naringenin chalcone + CoA + CO2
-
?

Subunits

Subunits Comment Organism
dimer 2 * 41000, SDS-PAGE Fagopyrum esculentum

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
8
-
-
Fagopyrum esculentum