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Literature summary extracted from

  • Ongusaga, P.P.; Hughes, P.J.; Davey, J.; Michell, R.H.
    Inositol hexakisphosphate in Schizosaccharomyces pombe: synthesis from Ins(1,4,5)P3 and osmotic regulation (1998), Biochem. J., 335, 671-679.
No PubMed abstract available

Inhibitors

EC Number Inhibitors Comment Organism Structure
2.7.1.158 1D-myo-inositol 1,4,6-trisphosphate IC50: about 0.0007 mM. Potently reduces conversion of 1D-myo-inositol 1,4,5-trisphosphate to 1D-myo-inositol 1,4,5,6-tetrakisphosphate + 1D-myo-inositol 1,3,4,5-tetrakisphosphate Schizosaccharomyces pombe
2.7.1.158 KCl 0.2 M, 50% inhibition Schizosaccharomyces pombe

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
2.7.1.158 0.00055
-
1D-myo-inositol 1,4,5-triphosphate about, cosubstrate: ATP Schizosaccharomyces pombe
2.7.1.158 0.07
-
ATP about, cosubstrate: 1D-myo-inositol 1,4,5-triphosphate Schizosaccharomyces pombe

Metals/Ions

EC Number Metals/Ions Comment Organism Structure
2.7.1.158 Mg2+ dependent on Schizosaccharomyces pombe

Organism

EC Number Organism UniProt Comment Textmining
2.7.1.158 Schizosaccharomyces pombe
-
-
-

Purification (Commentary)

EC Number Purification (Comment) Organism
2.7.1.158
-
Schizosaccharomyces pombe

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
2.7.1.158 ATP + 1D-myo-inositol 1,3,4,5,6-pentakisphosphate
-
Schizosaccharomyces pombe ADP + 1D-myo-inositol hexakisphosphate
-
?
2.7.1.158 ATP + 1D-myo-inositol 1,3,4,5-tetrakisphosphate
-
Schizosaccharomyces pombe ADP + 1D-myo-inositol 1,3,4,5,6-pentakisphosphate
-
?
2.7.1.158 ATP + 1D-myo-inositol 1,4,5,6-tetrakisphosphate
-
Schizosaccharomyces pombe ADP + 1D-myo-inositol 1,3,4,5,6-pentakisphosphate
-
?
2.7.1.158 ATP + 1D-myo-inositol 1,4,5-trisphosphate
-
Schizosaccharomyces pombe ADP + 1D-myo-inositol 1,4,5,6-tetrakisphosphate + 1D-myo-inositol 1,3,4,5-tetrakisphosphate
-
?
2.7.1.158 ATP + 1D-myo-inositol 1,4,6-trisphosphate
-
Schizosaccharomyces pombe ADP + 1D-myo-inositol 1,4,5,6-tetrakisphosphate
-
?

Synonyms

EC Number Synonyms Comment Organism
2.7.1.158 Gsl1p
-
Schizosaccharomyces pombe
2.7.1.158 inositol 1,3,4,5,6-pentakisphosphate 2-kinase
-
Schizosaccharomyces pombe
2.7.1.158 inositol polyphosphate kinase
-
Schizosaccharomyces pombe
2.7.1.158 ins(1,3,4,5,6)P5 2-kinase
-
Schizosaccharomyces pombe
2.7.1.158 IP5 2-kinase
-
Schizosaccharomyces pombe
2.7.1.158 Ipk1p
-
Schizosaccharomyces pombe
2.7.1.158 Plc1p
-
Schizosaccharomyces pombe

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
2.7.1.158 7.5 8
-
Schizosaccharomyces pombe

IC50 Value

EC Number IC50 Value IC50 Value Maximum Comment Organism Inhibitor Structure
2.7.1.158 0.0007
-
IC50: about 0.0007 mM. Potently reduces conversion of 1D-myo-inositol 1,4,5-trisphosphate to 1D-myo-inositol 1,4,5,6-tetrakisphosphate + 1D-myo-inositol 1,3,4,5-tetrakisphosphate Schizosaccharomyces pombe 1D-myo-inositol 1,4,6-trisphosphate