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Literature summary for 2.4.2.10 extracted from

  • Ashihara, H.
    Orotate Phosphoribosyltransferase and orotidine-5'-monophosphate decarboxylase of black gram (phaseolus mungo) seedlings (1978), Z. Pflanzenphysiol., 87, 225-241.
No PubMed abstract available

Activating Compound

Activating Compound Comment Organism Structure
dithiothreitol stimulating Vigna mungo

Inhibitors

Inhibitors Comment Organism Structure
EDTA
-
Vigna mungo
UDP
-
Vigna mungo
UMP
-
Vigna mungo
xanthosine-5'-phosphate
-
Vigna mungo

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.0016
-
5-phospho-alpha-D-ribose 1-diphosphate
-
Vigna mungo
0.0045
-
Orotate
-
Vigna mungo

Localization

Localization Comment Organism GeneOntology No. Textmining
cytosol
-
Vigna mungo 5829
-
soluble
-
Vigna mungo
-
-

Metals/Ions

Metals/Ions Comment Organism Structure
Mg2+ requirement Vigna mungo

Organism

Organism UniProt Comment Textmining
Vigna mungo
-
black gram
-

Purification (Commentary)

Purification (Comment) Organism
partial, not separable from EC 4.1.1.23 Vigna mungo

Source Tissue

Source Tissue Comment Organism Textmining
seedling
-
Vigna mungo
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
additional information
-
-
Vigna mungo

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
additional information enzyme from mammals is a bifunctional polypeptide, it also catalyzes the reaction listed as EC 4.1.1.23 Vigna mungo ?
-
?
orotate + 5-phospho-alpha-D-ribose 1-diphosphate
-
Vigna mungo orotidine 5'-phosphate + diphosphate
-
r

Synonyms

Synonyms Comment Organism
More enzyme from mammals is a bifunctional polypeptide, it also catalyzes the reaction listed as EC 4.1.1.23 Vigna mungo

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
30
-
assay at Vigna mungo

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
8
-
-
Vigna mungo

pH Range

pH Minimum pH Maximum Comment Organism
7.2 9.2 about half-maximal activity at pH 7.2 and about 70% of maximal activity at pH 9.2 Vigna mungo