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Literature summary extracted from

  • Magni, G.; Fioretti, E.; Ipata, P.L.; Natalini, P.
    Bakers yeast uridine nucleosidase. Purification, composition, and physical and enzymatic properties (1975), J. Biol. Chem., 250, 9-13.
    View publication on PubMed

Inhibitors

EC Number Inhibitors Comment Organism Structure
3.2.2.3 D-ribose
-
Saccharomyces cerevisiae
3.2.2.3 glucose 6-phosphate
-
Saccharomyces cerevisiae
3.2.2.3 ribosylthymine competitive Saccharomyces cerevisiae
3.2.2.3 Tris twice recrystallized, 30 mM, 50% inhibition Saccharomyces cerevisiae

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
3.2.2.3 0.86
-
uridine
-
Saccharomyces cerevisiae
3.2.2.3 1.66
-
5-methyluridine
-
Saccharomyces cerevisiae

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
3.2.2.3 17000
-
2 * 17000, SDS-PAGE Saccharomyces cerevisiae
3.2.2.3 32500
-
gel filtration Saccharomyces cerevisiae

Organism

EC Number Organism UniProt Comment Textmining
3.2.2.3 Saccharomyces cerevisiae
-
-
-

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
3.2.2.3 1.56
-
-
Saccharomyces cerevisiae

Storage Stability

EC Number Storage Stability Organism
3.2.2.3 -20°C, stable for several months Saccharomyces cerevisiae
3.2.2.3 4°C, 100 mM phosphate buffer, pH 7.2, 50 mM Tris-HCl, pH 7.0, stable for up to 15 days Saccharomyces cerevisiae

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3.2.2.3 5-methyluridine + H2O
-
Saccharomyces cerevisiae 5-methyluracil + D-ribose
-
?
3.2.2.3 uridine + H2O
-
Saccharomyces cerevisiae uracil + D-ribose
-
?

Subunits

EC Number Subunits Comment Organism
3.2.2.3 dimer 2 * 17000, SDS-PAGE Saccharomyces cerevisiae

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
3.2.2.3 7
-
-
Saccharomyces cerevisiae