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Literature summary for 2.3.1.38 extracted from

  • Williamson, I.P.; Wakil, S.J.
    Studies on the mechanism of fatty acid synthesis. XVII. Preparation and general properties of acetyl coenzyme A and malonyl coenzyme A-acyl carrier protein transacylases (1966), J. Biol. Chem., 241, 2326-2332.
    View publication on PubMed

General Stability

General Stability Organism
EDTA at 5 mM stabilize Escherichia coli

Inhibitors

Inhibitors Comment Organism Structure
iodoacetamide
-
Escherichia coli
N-ethylmaleimide
-
Escherichia coli

Organism

Organism UniProt Comment Textmining
Escherichia coli
-
-
-
Escherichia coli E26
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Escherichia coli

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
0.059
-
-
Escherichia coli

Storage Stability

Storage Stability Organism
-10°C, unpredictable instability on storage, sometimes total loss of activity occured immediately after thawing Escherichia coli
0°C, inactivation within several days Escherichia coli

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
acetyl-CoA + [acyl-carrier protein] via acetyl-enzyme intermediate Escherichia coli CoA + acetyl-[acyl-carrier protein]
-
r
acetyl-CoA + [acyl-carrier protein] via acetyl-enzyme intermediate Escherichia coli E26 CoA + acetyl-[acyl-carrier protein]
-
r
butyryl-CoA + [acyl-carrier protein] 9.8% activity of that with acetyl-CoA Escherichia coli CoA + butyryl-[acyl-carrier protein]
-
?
butyryl-CoA + [acyl-carrier protein] 9.8% activity of that with acetyl-CoA Escherichia coli E26 CoA + butyryl-[acyl-carrier protein]
-
?
hexanoyl-CoA + [acyl-carrier protein] 4.6% activity of that with acetyl-CoA Escherichia coli CoA + hexanoyl-[acyl-carrier protein]
-
?
hexanoyl-CoA + [acyl-carrier protein] 4.6% activity of that with acetyl-CoA Escherichia coli E26 CoA + hexanoyl-[acyl-carrier protein]
-
?
octanoyl-CoA + [acyl-carrier protein] 10.3% activity of that with acetyl-CoA Escherichia coli CoA + octanoyl-[acyl-carrier protein]
-
?
octanoyl-CoA + [acyl-carrier protein] 10.3% activity of that with acetyl-CoA Escherichia coli E26 CoA + octanoyl-[acyl-carrier protein]
-
?
propionyl-CoA + [acyl-carrier protein] transacylation at 23.4% the rate of acetyl-CoA Escherichia coli CoA + propionyl-[acyl-carrier protein]
-
?
propionyl-CoA + [acyl-carrier protein] transacylation at 23.4% the rate of acetyl-CoA Escherichia coli E26 CoA + propionyl-[acyl-carrier protein]
-
?

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
38
-
assay at Escherichia coli

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
40
-
30% loss of activity after 40 min Escherichia coli
50
-
t1/2: 18 min Escherichia coli
60
-
t1/2: 9 min Escherichia coli
100
-
inactivation after 1 min Escherichia coli

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
6
-
-
Escherichia coli

pH Range

pH Minimum pH Maximum Comment Organism
5 8.5 about 60% of maximal activity at pH 5.0 and pH 8.5 Escherichia coli