Literature summary extracted from

Clynes, M.M.; Hurley, M.P.; Shannon, M.F.
Xanthine oxidase activity in mammalian cell cultures (1979), Biochem. Soc. Trans., 7, 72-74.

Metals/Ions

EC Number	Metals/Ions	Comment	Organism	Structure
1.17.3.2	Iron	iron-molybdenum protein	Mus musculus
1.17.3.2	Molybdenum	an iron-molybdenum protein	Mus musculus

Organism

EC Number	Organism	UniProt	Comment	Textmining
1.17.3.2	Mus musculus	-	mouse embryo cell lines: 3T3, 3T6, B-3T3, 3T12	-

Posttranslational Modification

EC Number	Posttranslational Modification	Comment	Organism
1.17.3.2	additional information	-	Mus musculus
1.17.3.2	proteolytic modification	-	Mus musculus

Source Tissue

EC Number	Source Tissue	Comment	Organism	Textmining
1.17.3.2	3T6-Swiss albino cell	-	Mus musculus	-
1.17.3.2	BALB/3T12-3 cell	mouse embryo cell line: 3T12	Mus musculus	-
1.17.3.2	NIH-3T3 cell	-	Mus musculus	-

Specific Activity [micromol/min/mg]

EC Number	Specific Activity Minimum [µmol/min/mg]	Specific Activity Maximum [µmol/min/mg]	Comment	Organism
1.17.3.2	0.0002	0.0022	enzyme activity in embryo cell lines	Mus musculus

Substrates and Products (Substrate)

EC Number	Substrates	Comment Substrates	Organism	Products	Comment (Products)	Rev.	Reac.
1.17.3.2	hypoxanthine + 2 H2O + 2 O2	-	Mus musculus	urate + 2 H2O2	-	?
1.17.3.2	xanthine + H2O + O2	electron acceptor O2	Mus musculus	uric acid + H2O2	-	?

Cofactor

EC Number	Cofactor	Comment	Organism	Structure
1.17.3.2	FAD	flavoprotein	Mus musculus

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Release 2023.1 (January 2023)