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Literature summary for 2.4.1.173 extracted from

  • Fang, T.Y.; Baisted, D.J.
    UDPG:sterol glucosyltransferase in etiolated pea seedlings (1976), Phytochemistry, 15, 273-278.
No PubMed abstract available

Activating Compound

Activating Compound Comment Organism Structure
ATP slightly stimulation at low concentration Pisum sativum
phosphatidylcholine 33% increase of activity Pisum sativum
phosphatidylethanolamine increases 125% of activity Pisum sativum
phosphatidylserine 33% increase of activity Pisum sativum
phospholipase treatment with phospholipases A, C and D lowers activity 21-29%, the effect of phospholipase A is completely reverse by phosphatidylethanolamine but not by phosphatidylcholine or phosphatidylserine, after phospholipase C or D treatment each phospholipid brings about a partial recovery of activity but phosphatidylethanolamine is superior Pisum sativum

Inhibitors

Inhibitors Comment Organism Structure
ATP inhibition at 1-3 mM but slightly stimulation at low concentration Pisum sativum

Localization

Localization Comment Organism GeneOntology No. Textmining
etioplast
-
Pisum sativum 9513
-
Golgi apparatus
-
Pisum sativum 5794
-
mitochondrion
-
Pisum sativum 5739
-

Metals/Ions

Metals/Ions Comment Organism Structure
Ca2+ maximal stimulation at 13 mM Pisum sativum
additional information no metal ion requirement Pisum sativum

Organism

Organism UniProt Comment Textmining
Pisum sativum
-
pea
-

Purification (Commentary)

Purification (Comment) Organism
partial purification by differential centrifugation Pisum sativum

Source Tissue

Source Tissue Comment Organism Textmining
seedling etiolated Pisum sativum
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
UDP-glucose + sitosterol
-
Pisum sativum UDP + sitosterol 3-beta-D-glucoside
-
?

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
30
-
assay at Pisum sativum

pH Stability

pH Stability pH Stability Maximum Comment Organism
8
-
Tris-HCl 25 mM Pisum sativum