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Literature summary for 2.4.1.173 extracted from

  • Ullmann, P.; Ury, A.; Rimmele, D.; Benveniste, P.; Bouvier-Nave, P.
    UDP-glucose sterol beta-D-glucosyltransferase, a plasma membrane-bound enzyme of plants: Enzymic properties and lipid dependence (1993), Biochimie, 75, 713-723.
    View publication on PubMed
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Inhibitors

Inhibitors Comment Organism Structure
5-Hg UDP
-
 Zea mays
Mersalyl 50% of inhibition at 40 uM Zea mays
p-mercuribenzenesulfonate 50% of irreversible inhibition at 0.5 mM, UDP and UDPG-glucose protect from inhibition of 10 mM Zea mays
Phenylglyoxal 92% of inhibition at 10 mM Zea mays
UDP-2',3'-dialdehyde inhibits irreversibly the enzyme Zea mays

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.04
-
 UDP-glucose
-
 Zea mays
0.2
-
 sitosterol
-
 Zea mays

Localization

Localization Comment Organism GeneOntology No. Textmining
microsome
-
 Zea mays
-
-

Organism

Organism UniProt Comment Textmining
Zea mays
-
-
-

Purification (Commentary)

Purification (Comment) Organism
partial purification by DEAE-cellulose column DE-52 Zea mays

Source Tissue

Source Tissue Comment Organism Textmining
coleoptile etiolated Zea mays
-

Substrates and Products (Substrate)

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

Ki Value [mM]

Ki Value [mM] Ki Value maximum [mM] Inhibitor Comment Organism Structure
0.02
-
 5-Hg UDP reversible inhibitor Zea mays