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Literature summary for 2.3.1.39 extracted from

  • Caughey, I.; Kekwick, R.G.O.
    The characteristics of some components of the fatty acid synthetase system in the plastids from the mesocarp of avocado (Persea americana) fruit (1982), Eur. J. Biochem., 123, 553-561.
    View publication on PubMed

General Stability

General Stability Organism
dithiothreitol stabilizes Persea americana
EDTA stabilizes Persea americana
glycerol, 15% v/v, stabilizes Persea americana

Inhibitors

Inhibitors Comment Organism Structure
additional information inhibition of the enzyme by thiol-alkylating reagents Persea americana

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.00134
-
pantetheine
-
Persea americana
0.00326
-
malonyl-CoA
-
Persea americana
0.042
-
acyl-carrier protein
-
Persea americana

Localization

Localization Comment Organism GeneOntology No. Textmining
plastid from the mesocarp Persea americana 9536
-

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
40500
-
gel filtration, elution from Sephadex G-100 Persea americana

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
malonyl-CoA + acyl-carrier protein Persea americana the enzyme is a component of the fatty acid synthetase system CoA + malonyl-acyl-carrier protein
-
?

Organism

Organism UniProt Comment Textmining
Persea americana
-
avocado
-

Purification (Commentary)

Purification (Comment) Organism
ammonium sulfate fractionation and column chromatography on DEAE-cellulose Persea americana

Source Tissue

Source Tissue Comment Organism Textmining
mesocarp mesocarp Persea americana
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
9.59
-
-
Persea americana

Storage Stability

Storage Stability Organism
-20°C, potassium-phosphate buffer, pH: 7.0, 1 mM dithiothreitol, 0.5 mM EDTA, 15% v/v glycerol Persea americana

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
malonyl-CoA + acyl-carrier protein via stable covalent malonyl-enzyme intermediate Persea americana CoA + malonyl-[acyl-carrier protein]
-
?
malonyl-CoA + acyl-carrier protein the enzyme is a component of the fatty acid synthetase system Persea americana CoA + malonyl-acyl-carrier protein
-
?
malonyl-CoA + pantetheine
-
Persea americana malonyl-pantetheine + CoA
-
?

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
30
-
assay at Persea americana

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7
-
-
Persea americana
8.3
-
-
Persea americana

pH Range

pH Minimum pH Maximum Comment Organism
6.2 9.8 about half-maximal activity at pH 6.2, about 65% of maximal activity at pH 9.8 Persea americana