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Literature summary for 2.7.8.11 extracted from

  • Wootton, J.A.; Kinsella, J.E.
    Properties of cytidinediphosphodiacyl-sn-glycerol:myoinositol transferase of bovine mammary tissue (1977), Int. J. Biochem., 8, 449-456.
No PubMed abstract available

Activating Compound

Activating Compound Comment Organism Structure
2-mercaptoethanol enhances enzyme activity Bos taurus

Inhibitors

Inhibitors Comment Organism Structure
Ca2+ inhibition above 2 mM Bos taurus

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.06
-
CDP-didecanoyl-sn-glycerol
-
Bos taurus
0.71
-
myo-inositol
-
Bos taurus

Localization

Localization Comment Organism GeneOntology No. Textmining
microsome
-
Bos taurus
-
-

Metals/Ions

Metals/Ions Comment Organism Structure
Mg2+
-
Bos taurus
Mn2+
-
Bos taurus

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
CDP-diacylglycerol + myo-inositol Bos taurus enzyme catalyzes the final step of de novo synthesis of phosphatidylinositol CMP + phosphatidyl-1D-myo-inositol
-
r

Organism

Organism UniProt Comment Textmining
Bos taurus
-
-
-

Source Tissue

Source Tissue Comment Organism Textmining
mammary gland
-
Bos taurus
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
0.002 0.009
-
Bos taurus

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
CDP-diacylglycerol + myo-inositol
-
Bos taurus CMP + phosphatidyl-1D-myo-inositol
-
r
CDP-diacylglycerol + myo-inositol enzyme catalyzes the final step of de novo synthesis of phosphatidylinositol Bos taurus CMP + phosphatidyl-1D-myo-inositol
-
r
CDP-diacylglycerol + myo-inositol
-
Bos taurus CMP + 1-phosphatidyl-1D-myo-inositol
-
?
CDP-didecanoyl-sn-glycerol + myo-inositol preferred substrate Bos taurus CMP + didecanoylphosphatidylinositol
-
r
CDP-dioleoylglycerol + myo-inositol
-
Bos taurus CMP + dioleoylphosphatidylinositol
-
r
CDP-dipalmitoyl-sn-glycerol + myo-inositol
-
Bos taurus CMP + dipalmitoylphosphatidylinositol
-
r

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7.7
-
CTP and phosphatidic acid as substrate Bos taurus
8.5 9 CDP-diacyl-sn-glycerol as substrate Bos taurus