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Literature summary extracted from

  • Bhatia, R.; calvo, K.C.
    The sequencing, expression, purification, and steady-state kinetic analysis of quinolinate phosphoribosyl transferase from Escherichia coli (1996), Arch. Biochem. Biophys., 325, 270-278.
    View publication on PubMed

Cloned(Commentary)

EC Number Cloned (Comment) Organism
2.4.2.19
-
Escherichia coli

Inhibitors

EC Number Inhibitors Comment Organism Structure
2.4.2.19 D-fructose-1,6-diphosphate competitive with respect to 5-phosphoribosyl-1-diphosphate and noncompetitive with respect to quinolinate Escherichia coli
2.4.2.19 diphosphate noncompetitive with respect to both 5-phosphoribosyl-1-diphosphate and quinolinate Escherichia coli
2.4.2.19 nicotinate mononucleotide competitive with respect to 5-phosphoribosyl-1-diphosphate Escherichia coli
2.4.2.19 Phthalic acid dead-end inhibitor, competitive with respect to quinolinate, uncompetitive with respect to 5-phosphoribosyl-1-diphosphate Escherichia coli

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
2.4.2.19 0.0064
-
quinolinate
-
Escherichia coli
2.4.2.19 0.0156
-
5-phospho-alpha-D-ribose 1-diphosphate
-
Escherichia coli

Metals/Ions

EC Number Metals/Ions Comment Organism Structure
2.4.2.19 Mg2+ required Escherichia coli

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
2.4.2.19 36000
-
2 * 36000, SDS-PAGE Escherichia coli
2.4.2.19 70000
-
gel filtration Escherichia coli

Organism

EC Number Organism UniProt Comment Textmining
2.4.2.19 Escherichia coli P30011
-
-

Purification (Commentary)

EC Number Purification (Comment) Organism
2.4.2.19
-
Escherichia coli

Reaction

EC Number Reaction Comment Organism Reaction ID
2.4.2.19 beta-nicotinate D-ribonucleotide + diphosphate + CO2 = pyridine-2,3-dicarboxylate + 5-phospho-alpha-D-ribose 1-diphosphate ordered binding mechanism Escherichia coli

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
2.4.2.19 additional information
-
-
Escherichia coli

Storage Stability

EC Number Storage Stability Organism
2.4.2.19 4°C, stable for 1 month Escherichia coli

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
2.4.2.19 pyridine-2,3-dicarboxylate + 5-phospho-alpha-D-ribose 1-diphosphate
-
Escherichia coli nicotinate D-ribonucleotide + diphosphate + CO2
-
?

Subunits

EC Number Subunits Comment Organism
2.4.2.19 dimer 2 * 36000, SDS-PAGE Escherichia coli