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Literature summary for 2.7.1.67 extracted from

  • Verghese, M.; Fernandis, A.Z.; Subrahmanyam, G.
    Purification and characterization of a type II phosphatidylinositol 4-kinase from rat spleen and comparison with a PtdIns 4-kinase from lymphocytes (1999), Indian J. Biochem. Biophys., 36, 1-9.
    View publication on PubMed

Activating Compound

Activating Compound Comment Organism Structure
spermine stimulates Rattus norvegicus
Triton X-100 stimulates Rattus norvegicus

Inhibitors

Inhibitors Comment Organism Structure
adenosine
-
Rattus norvegicus
Ca2+
-
Rattus norvegicus

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.022
-
phosphatidylinositol
-
Rattus norvegicus
0.05
-
ATP
-
Rattus norvegicus

Metals/Ions

Metals/Ions Comment Organism Structure
Mg2+ 10-12 mM, effective divalent cation activator Rattus norvegicus
Mn2+ can not substitute for Mg2+ in activation Rattus norvegicus

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
55000
-
x * 55000, SDS-PAGE Rattus norvegicus

Organism

Organism UniProt Comment Textmining
Rattus norvegicus
-
-
-

Purification (Commentary)

Purification (Comment) Organism
type II enzyme Rattus norvegicus

Source Tissue

Source Tissue Comment Organism Textmining
lymphocyte spleen Rattus norvegicus
-
spleen
-
Rattus norvegicus
-
spleen lymphocyte Rattus norvegicus
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
0.05994
-
-
Rattus norvegicus

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
ATP + 1-phosphatidyl-1D-myo-inositol
-
Rattus norvegicus ADP + 1-phosphatidyl-1D-myo-inositol 4-phosphate
-
?

Subunits

Subunits Comment Organism
? x * 55000, SDS-PAGE Rattus norvegicus

Ki Value [mM]

Ki Value [mM] Ki Value maximum [mM] Inhibitor Comment Organism Structure
0.018
-
adenosine
-
Rattus norvegicus