CatLogenzyme kinetics catalog

EC 2.4.2.9: uracil phosphoribosyltransferase

TransferasesOpen in Browse

CatLog read 8 records for EC 2.4.2.9 from 1 paper, for 1 organism. Names in these papers: uracil phosphoribosyltransferase (UPRTase).

Read from the paper by an AI model and checked against the paper by a second, separate AI run; code converted the units.

CatLog also holds 25 records for EC 2.4.2.9 that are not yet re-read: from its earlier version, built from the enzyme databases and partly checked against the papers. All records for EC 2.4.2.9 in Browse.

Papers

PaperOrganismsRecords
Kinetic mechanism of uracil phosphoribosyltransferase from Escherichia coli and catalytic importance of the conserved proline in the PRPP binding siteEscherichia coli8

Records

EnzymeOrganismSubstratekcat (s⁻¹)Km (mM)kcat/Km (mM⁻¹ s⁻¹)ConditionsPaper
uracil phosphoribosyltransferase (UPRTase)Escherichia coli5-phosphoribosyl-α-1-pyrophosphate20 mM Tris/HCl; uracil—0.05847pH 8.5, 37 °CPMID 10079076Open
uracil phosphoribosyltransferase (UPRTase)Escherichia coli5-phosphoribosyl-α-1-pyrophosphate20 mM Tris-HCl; Michaelis-Menten fit (eq 5)—0.073—pH 8.5, 37 °CPMID 10079076Open
uracil phosphoribosyltransferase (UPRTase)Escherichia coliUMP0.024——pH 8.5, 37 °CPMID 10079076Open
uracil phosphoribosyltransferase (UPRTase)Escherichia coliuracil20 mM Tris/HCl; PRPP2.75.3 × 10⁻⁴5.1 × 10³pH 8.5, 37 °CPMID 10079076Open
uracil phosphoribosyltransferase (UPRTase)Escherichia coliuracil20 mM Tris-HCl; Michaelis-Menten fit (eq 5)—6.3 × 10⁻⁴—pH 8.5, 37 °CPMID 10079076Open
uracil phosphoribosyltransferase (UPRTase)variant P131DEscherichia coli5-phosphoribosyl-α-1-pyrophosphate—0.001338pH 8.5, 37 °CPMID 10079076Open
uracil phosphoribosyltransferase (UPRTase)variant P131DEscherichia coliUMP4.1 × 10⁻⁴——pH 8.5, 37 °CPMID 10079076Open
uracil phosphoribosyltransferase (UPRTase)variant P131DEscherichia coliuracil0.050.060.83pH 8.5, 37 °CPMID 10079076Open