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Literature summary extracted from

  • Ullmann, P.; Bouvier-Nave, P.; Benveniste, P.
    Regulation by phospholipids and kinetic studies of plant membrane-bound UDP-glucose sterol beta-D-glucosyl transferase (1987), Plant Physiol., 85, 51-55.
    View publication on PubMedView publication on EuropePMC

Activating Compound

EC Number Activating Compound Comment Organism Structure
2.4.1.173 phosphatidylcholine increases Vmax Zea mays
2.4.1.173 phosphatidylglycerol increases Vmax Zea mays
2.4.1.173 Phospholipids stimulated by negatively charged phospholipids Zea mays
2.4.1.173 Phospholipids phosphatidylcholine or phosphatidylglycerol increase Vmax Zea mays

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
2.4.1.173 0.04
-
 UDP-glucose slightly lowered by phosphatidylcholine and phosphatidylglycerol Zea mays
2.4.1.173 0.2
-
 sitosterol strongly lowered by phosphatidylcholine and phosphatidylglycerol Zea mays

Localization

EC Number Localization Comment Organism GeneOntology No. Textmining
2.4.1.173 microsome
-
 Zea mays
-
-

Organism

EC Number Organism UniProt Comment Textmining
2.4.1.173 Zea mays
-
-
-

Purification (Commentary)

EC Number Purification (Comment) Organism
2.4.1.173 partial purification by differential centrifugation and DEAE-cellulose column Zea mays

Source Tissue

EC Number Source Tissue Comment Organism Textmining
2.4.1.173 coleoptile
-
 Zea mays
-

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
2.4.1.173 UDP-glucose + sitosterol
-
 Zea mays UDP + sitosterol 3-beta-D-glucoside
-
 ?

Temperature Optimum [°C]

EC Number Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
2.4.1.173 30
-
 assay at Zea mays

pH Stability

EC Number pH Stability pH Stability Maximum Comment Organism
2.4.1.173 8
-
 Tris-HCl 50 mM, 1 mM 2-mercaptoethanol, emulphogene BC720 0.36% Zea mays