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Proteins/UNIPROT:P47989
Key enzyme in purine degradation. Catalyzes the oxidation of hypoxanthine to xanthine. Catalyzes the oxidation of xanthine to uric acid. Contributes to the generation of reactive oxygen species. Has also low oxidase activity towards aldehydes (in vitro)..
Function from UniProtKB (P47989), read 2026-09-23. CC BY 4.0.
Curated compounds routed: 0
1 row
37 statements
37 statements · 7 reference databases · Subject: XDH · Sources: Bgee, Hetionet, Human-GEM, Reactome, Rhea, UniProt, WikiPathways
12 reactions
water+hypoxanthine+NAD(+)proton+NADH(2-)+xanthine
Catalysed by XDH
Reaction pageLeft to rightBalancedEC 1.17.1.4cytosol
Human-GEM MAR04519CC BY 4.0Reference data
water+hypoxanthine+dioxygenhydrogen peroxide+xanthine
Catalysed by
6 names
Resolves to: XDH
Reaction pageLeft to rightBalancedEC 1.17.3.2cytosol
Human-GEM MAR04520CC BY 4.0Reference data
water+NAD(+)+xanthineproton+NADH(2-)+urate
Catalysed by XDH
Reaction pageLeft to rightBalancedEC 1.17.1.4cytosol
Human-GEM MAR04646CC BY 4.0Reference data
water+NAD(+)+xanthineproton+NADH(2-)+urate
Catalysed by XDH
Reaction pageLeft to rightBalancedEC 1.17.1.4peroxisome
Human-GEM MAR04648CC BY 4.0Reference data
water+dioxygen+xanthinehydrogen peroxide+urate
Catalysed by XDH
Reaction pageLeft to rightBalancedEC 1.17.3.2cytosol
Human-GEM MAR04649CC BY 4.0Reference data
Catalysed by XDH
Reaction pageLeft to rightBalancedEC 1.17.3.2peroxisome
Human-GEM MAR04650CC BY 4.0Reference data
FAD+water+hypoxanthineFADH2+xanthine
Catalysed by XDH
Reaction pageLeft to rightBalancedEC 1.17.3.2peroxisome
Human-GEM MAR08755CC BY 4.0Reference data
water+dioxygen+MAM03418chydrogen peroxide+MAM03801c
Reaction pageLeft to rightBalancedEC 1.17.3.2, 1.2.3.1cytosol
Human-GEM MAR12472CC BY 4.0Reference data
FADH2+dioxygenFAD+hydrogen peroxide
Catalysed by ACOX1 or ACOX2 or ACOX3 or DAO or DDO or NOS2 or PAOX or PIPOX or XDH
Reaction pageLeft to rightBalancedperoxisome
Human-GEM MAR20114CC BY 4.0Reference data
xanthine+NAD(1-)+waterurate+NADH(2-)+hydron
Catalysed by XDH
Reaction pageDirection not assertedBalanced
Rhea RHEA:16669CC BY 4.0Reference data
xanthine+dioxygen+waterurate+hydrogen peroxide
Catalysed by XDH
Reaction pageDirection not assertedBalanced
Rhea RHEA:21132CC BY 4.0Reference data
hypoxanthine+NAD(1-)+waterxanthine+NADH(2-)+hydron
Catalysed by XDH
Reaction pageDirection not assertedBalanced
Rhea RHEA:24670CC BY 4.0Reference data