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Literature summary extracted from

  • Okpodu, C.M.
    Characterization of a nuclear phosphatidylinositol 4-kinase in carrot suspension culture cells (1999), Plant Physiol. Biochem., 37, 473-480.
No PubMed abstract available

Activating Compound

EC Number Activating Compound Comment Organism Structure
2.7.1.67 Triton X-100 activity is enhances 5fold in presence of low concentrations of Triton X-100, 0.05-0.3% v/v Daucus carota

Inhibitors

EC Number Inhibitors Comment Organism Structure
2.7.1.67 Ca2+ 0.01 mM, 90% inhibition Daucus carota
2.7.1.67 Triton X-100 0.3% v/v, 30% decrease of activity Daucus carota

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
2.7.1.67 0.036 0.04 ATP
-
 Daucus carota

Localization

EC Number Localization Comment Organism GeneOntology No. Textmining
2.7.1.67 nucleus
-
 Daucus carota 5634
-

Organism

EC Number Organism UniProt Comment Textmining
2.7.1.67 Daucus carota
-
-
-

Source Tissue

EC Number Source Tissue Comment Organism Textmining
2.7.1.67 cell suspension culture
-
 Daucus carota
-

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
2.7.1.67 ATP + 1-phosphatidyl-1D-myo-inositol
-
 Daucus carota ADP + 1-phosphatidyl-1D-myo-inositol 4-phosphate
-
 ?

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
2.7.1.67 6.5
-
 when the substrate is added in form of phosphatidylinositol/phosphatidylserine mixed micelles, 1 mM phosphatidylinositol in 0.025% v/v final concentration of Triton X-100 Daucus carota
2.7.1.67 6.5 7.5 in presence of endogenous substrate Daucus carota
2.7.1.67 7
-
 when phosphatidylinositol/TRiton X-100 mixed micelles, 1 mM phosphatidylinositol in 0.025% v/v final concentration of Triton, are used Daucus carota