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Literature summary extracted from

  • Gumber, S.C.; Loewus, M.W.; Loewus, F.A.
    myo-Inositol-1-phosphate synthase from pine pollen: sulfhydryl involvement at the active site (1984), Arch. Biochem. Biophys., 231, 372-377.
    View publication on PubMed

Activating Compound

EC Number Activating Compound Comment Organism Structure
5.5.1.4 NH4+ stimulates Pinus ponderosa

Inhibitors

EC Number Inhibitors Comment Organism Structure
5.5.1.4 2-deoxy-D-glucose 6-phosphate
-
 Pinus ponderosa
5.5.1.4 NEM protection by D-glucose 6-phosphate in presence of NAD+ Pinus ponderosa
5.5.1.4 PCMB protection by D-glucose 6-phosphate in presence of NAD+ Pinus ponderosa

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
5.5.1.4 0.33
-
 glucose 6-phosphate
-
 Pinus ponderosa

Organism

EC Number Organism UniProt Comment Textmining
5.5.1.4 Pinus ponderosa
-
-
-

Purification (Commentary)

EC Number Purification (Comment) Organism
5.5.1.4 partial Pinus ponderosa

Source Tissue

EC Number Source Tissue Comment Organism Textmining
5.5.1.4 pollen
-
 Pinus ponderosa
-

Storage Stability

EC Number Storage Stability Organism
5.5.1.4 -20°C, partially purified enzyme is stable for at least 6 months Pinus ponderosa

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
5.5.1.4 D-Glucose 6-phosphate
-
 Pinus ponderosa L-myo-Inositol 1-phosphate
-
 ?

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
5.5.1.4 7.3 7.8
-
 Pinus ponderosa

Cofactor

EC Number Cofactor Comment Organism Structure
5.5.1.4 NAD+ required Pinus ponderosa