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Literature summary for 2.3.1.51 extracted from

  • Hares, W.; Frentzen, M.
    Properties of the microsomal acyl-CoA:sn-1-acyl-glycerol-3-phosphate acyltransferase from spinach (Spinacia oleracea L.) leaves (1987), J. Plant Physiol., 131, 49-59.
No PubMed abstract available

Inhibitors

Inhibitors Comment Organism Structure
2-[3,5-di-(t-butyl-4-hydroxyphenyl)thio]hexanate i.e. DH990, weak Spinacia oleracea

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.0014
-
palmitoyl-CoA
-
Spinacia oleracea
0.0028
-
oleoyl-CoA
-
Spinacia oleracea
0.003
-
1-palmitoyl-sn-glycerol 3-phosphate with oleoyl-CoA Spinacia oleracea
0.0053
-
1-oleoyl-sn-glycerol 3-phosphate with oleoyl-CoA Spinacia oleracea

Localization

Localization Comment Organism GeneOntology No. Textmining
endoplasmic reticulum
-
Spinacia oleracea 5783
-
microsome
-
Spinacia oleracea
-
-

Organism

Organism UniProt Comment Textmining
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
0.0051
-
-
Spinacia oleracea

Storage Stability

Storage Stability Organism
-20°C, microsomal preparation, at least 3 weeks Spinacia oleracea

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
acyl-CoA + 1-acyl-sn-glycerol 3-phosphate
-
Spinacia oleracea CoA + 1,2-diacyl-sn-glycerol 3-phosphate i.e. phosphatidic acid ?
acyl-CoA + 1-oleoyl-sn-glycerol 3-phosphate
-
Spinacia oleracea CoA + 2-acyl-1-oleoyl-sn-glycerol 3-phosphate
-
?
acyl-CoA + 1-palmitoyl-sn-glycerol 3-phosphate
-
Spinacia oleracea CoA + 1-palmitoyl-2-acyl-sn-glycerol 3-phosphate
-
?
acyl-CoA + linoleoyl-sn-glycerol 3-phosphate
-
Spinacia oleracea CoA + ?
-
?
acyl-CoA + myristoyl-sn-glycerol 3-phosphate
-
Spinacia oleracea CoA + ?
-
?
additional information the enzyme uses preferentially those acyl donors and acceptors, which contain oleate, specificity and selectivity experiments Spinacia oleracea ?
-
?
oleoyl-CoA + 1-acyl-sn-glycerol 3-phosphate
-
Spinacia oleracea CoA + 1-acyl-2-oleoyl-sn-glycerol 3-phosphate
-
?
palmitoyl-CoA + 1-acyl-sn-glycerol 3-phosphate
-
Spinacia oleracea CoA + 1-acyl-2-palmitoyl-sn-glycerol 3-phosphate
-
?

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
25
-
assay at Spinacia oleracea

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
9 11 broad, assay at pH 10 Spinacia oleracea