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Literature summary for 2.3.1.105 extracted from

  • Baker, R.R.; Chang, H.Y.
    MgATP inhibits the synthesis of 1-alkyl-2-acetyl-sn-glycero-3-phosphate by microsomal acetyltransferase of immature rabbit cerebral cortex (1994), Biochim. Biophys. Acta, 1213, 27-33.
    View publication on PubMed

Activating Compound

Activating Compound Comment Organism Structure
EDTA 47.8% activity in absence of both EDTA and mercaptoethanol Oryctolagus cuniculus
mercaptoethanol 47.8% activity in absence of both EDTA and mercaptoethanol Oryctolagus cuniculus
additional information activity increases in 2.4fold by preincubation with ATP, MgCl2 and high speed supernatant fractions Oryctolagus cuniculus

Inhibitors

Inhibitors Comment Organism Structure
ADP 29% decline in subcellular fraction P3A activity, 43% decline in subcellular fraction P3B activity and 7% decline in subcellular fraction P3D activity Oryctolagus cuniculus
Alkaline phosphatase 92-95% activity lost for subcellular fractions P3A and P3B Oryctolagus cuniculus
ATP little effect on the enzyme activity for the subcellular fraction P3A, 55-64% decline in the subcellular fraction P3B Oryctolagus cuniculus
CaCl2 1 mM CaCl2 inhibits 73% and 24% activity of subcellular fractions P3B and P3D respectively Oryctolagus cuniculus
EDTA inhibits 30% fraction P3D, does not inhibit subcellular fraction P3A Oryctolagus cuniculus
MgADP- inhibitory effects less severe than MgATP Oryctolagus cuniculus
MgAMP less inhibitory effect than MgADP Oryctolagus cuniculus
MgATP2- extreme inhibition in all microsomal fractions Oryctolagus cuniculus
MgCl2 at 2 mM: 30, 28 and 58% inhibition of subcellular fractions P3A, P3B and P3D activities respectively Oryctolagus cuniculus
additional information ATP, GTP, UTP, CTP show small or no inhibition effects for fraction P3A Oryctolagus cuniculus

Localization

Localization Comment Organism GeneOntology No. Textmining
microsome
-
Oryctolagus cuniculus
-
-

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
acetyl-CoA + 1-alkyl-sn-glycero-3-phosphate Oryctolagus cuniculus
-
CoA + 1-alkyl-2-acetyl-sn-glycero-3-phosphate
-
?

Organism

Organism UniProt Comment Textmining
Oryctolagus cuniculus
-
-
-

Purification (Commentary)

Purification (Comment) Organism
isolation of three subcellular fractions: P3A, P3B and P3D, using NaF, EDTA and mercaptoethanol to preserve the activity Oryctolagus cuniculus

Source Tissue

Source Tissue Comment Organism Textmining
cerebral cortex
-
Oryctolagus cuniculus
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
acetyl-CoA + 1-alkyl-sn-glycero-3-phosphate
-
Oryctolagus cuniculus CoA + 1-alkyl-2-acetyl-sn-glycero-3-phosphate
-
?