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Literature summary for 2.3.1.38 extracted from

  • Shimakata, T.; Stumpf, P.K.
    Purification of plant acetyl-CoA: acyl carrier protein transacylase (1986), Methods Enzymol., 122, 53-59.
    View publication on PubMed

Inhibitors

Inhibitors Comment Organism Structure
arsenite
-
Spinacia oleracea
N-ethylmaleimide
-
Spinacia oleracea
PCMB
-
Spinacia oleracea

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.008
-
acetyl-CoA
-
Spinacia oleracea
0.0083
-
butyryl-CoA
-
Spinacia oleracea
0.0086
-
hexanoyl-CoA
-
Spinacia oleracea

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
48000
-
gel filtration Spinacia oleracea

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
acetyl-CoA + [acyl-carrier protein] Spinacia oleracea rate-limiting step of fatty acid synthesis CoA + acetyl-[acyl-carrier protein]
-
?

Organism

Organism UniProt Comment Textmining
Spinacia oleracea
-
var. Viroflay
-

Purification (Commentary)

Purification (Comment) Organism
partial Spinacia oleracea

Source Tissue

Source Tissue Comment Organism Textmining
leaf
-
Spinacia oleracea
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
0.0056
-
partially purified enzyme Spinacia oleracea

Storage Stability

Storage Stability Organism
-70°C, several months Spinacia oleracea

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
acetyl-CoA + [acyl-carrier protein]
-
Spinacia oleracea CoA + acetyl-[acyl-carrier protein]
-
?
acetyl-CoA + [acyl-carrier protein] rate-limiting step of fatty acid synthesis Spinacia oleracea CoA + acetyl-[acyl-carrier protein]
-
?
butyryl-CoA + [acyl-carrier protein] 35% activity of that with acetyl-CoA Spinacia oleracea CoA + butyryl-[acyl-carrier protein]
-
?
hexanoyl-CoA + [acyl-carrier protein] 18% activity of that with acetyl-CoA Spinacia oleracea CoA + hexanoyl-[acyl-carrier protein]
-
?
additional information no substrate: malonyl-CoA Spinacia oleracea ?
-
?
octanoyl-CoA + [acyl-carrier protein] poor substrate Spinacia oleracea CoA + octanoyl-[acyl-carrier protein]
-
?
octanoyl-CoA + [acyl-carrier protein] 7% activity of that with acetyl-CoA Spinacia oleracea CoA + octanoyl-[acyl-carrier protein]
-
?

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
38
-
assay at Spinacia oleracea

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
8.1
-
-
Spinacia oleracea

pH Range

pH Minimum pH Maximum Comment Organism
7.5 9.1 about half-maximal activity at pH 7.5 and about 75% of maximal activity at pH 9.1 Spinacia oleracea