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Literature summary extracted from

  • Okuno, E.; White, R.J.; Schwarcz, R.
    Quinolinic acid phosphoribosyltransferase: purification and partial characterization from human liver and brain (1988), J. Biochem., 103, 1054-1059.
    View publication on PubMed

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
2.4.2.19 0.0056
-
quinolinate
-
Homo sapiens

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
2.4.2.19 34000
-
5 * 34000, SDS-PAGE Homo sapiens
2.4.2.19 167000
-
sucrose density gradient centrifugation Homo sapiens
2.4.2.19 170000
-
gel filtration Homo sapiens

Organism

EC Number Organism UniProt Comment Textmining
2.4.2.19 Homo sapiens
-
-
-

Purification (Commentary)

EC Number Purification (Comment) Organism
2.4.2.19
-
Homo sapiens

Source Tissue

EC Number Source Tissue Comment Organism Textmining
2.4.2.19 brain
-
Homo sapiens
-
2.4.2.19 liver
-
Homo sapiens
-

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 0.0133
-
enzyme from liver Homo sapiens
2.4.2.19 0.0187
-
enzyme from brain Homo sapiens

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
-
Homo sapiens nicotinate D-ribonucleotide + diphosphate + CO2
-
ir

Subunits

EC Number Subunits Comment Organism
2.4.2.19 pentamer 5 * 34000, SDS-PAGE Homo sapiens

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
2.4.2.19 6.5
-
-
Homo sapiens