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Literature summary for 1.17.3.2 extracted from

  • Krenitsky, T.A.; Spector, T.; Hall, W.W.
    Xanthine oxidase from human liver: purification and characterization (1986), Arch. Biochem. Biophys., 247, 108-119.
    View publication on PubMed

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
additional information
-
additional information
-
Homo sapiens
0.004
-
allopurinol
-
Homo sapiens
0.55
-
formycin B
-
Homo sapiens
0.93
-
benzaldehyde
-
Homo sapiens
48
-
N-methylnicotinamide
-
Homo sapiens

Metals/Ions

Metals/Ions Comment Organism Structure
Iron iron-molybdenum protein Homo sapiens
Molybdenum an iron-molybdenum protein Homo sapiens

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
150000
-
2 * 150000, SDS-PAGE Homo sapiens
300000
-
gel filtration Homo sapiens

Organism

Organism UniProt Comment Textmining
Homo sapiens
-
-
-

Posttranslational Modification

Posttranslational Modification Comment Organism
additional information
-
Homo sapiens
proteolytic modification
-
Homo sapiens

Purification (Commentary)

Purification (Comment) Organism
-
Homo sapiens

Source Tissue

Source Tissue Comment Organism Textmining
liver
-
Homo sapiens
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
1.8
-
-
Homo sapiens

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
adenine + H2O + O2
-
Homo sapiens 6-amino-7,9-dihydropurin-8-one + H2O2
-
?
allopurinol + H2O + O2
-
Homo sapiens ?
-
?
benzaldehyde + H2O + O2
-
Homo sapiens benzoate + H2O2
-
?
formycin B + H2O + O2
-
Homo sapiens ?
-
?
hypoxanthine + 2 H2O + 2 O2
-
Homo sapiens urate + 2 H2O2
-
?
N-methylnicotinamide + H2O + O2 poor oxidation reaction Homo sapiens ?
-
r
N1-methylnicotinamide + H2O + O2
-
Homo sapiens ?
-
?
purine + H2O + O2 purine and derivatives Homo sapiens 7,9-dihydropurin-8-one + H2O2
-
?
xanthine + H2O + O2 electron acceptor O2 Homo sapiens uric acid + H2O2
-
?

Subunits

Subunits Comment Organism
dimer 2 * 150000, SDS-PAGE Homo sapiens

Cofactor

Cofactor Comment Organism Structure
FAD flavoprotein Homo sapiens