Enzyme

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     1. Oxidoreductases
        1.17 Acting on CH or CH2 groups
            1.17.3 With oxygen as acceptor
ID:1.17.3.2
Description:Xanthine oxidase.
Alternative Name: Xanthine oxidoreductase.
Schardinger enzyme.
Hypoxanthine-xanthine oxidase.
Hypoxanthine oxidase.
Prosite: PDOC00484;
PDB:
PDBScop
Cath: 1.10.150.120; 3.30.365.10; 3.30.390.50; 3.30.43.10; 3.30.43.30; 3.30.465.10; 3.90.1170.50; 3.10.20.30;

3D structure

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References

External Links

UniProtKB Enzyme Link: UniProtKB 1.17.3.2
BRENDA Enzyme Link: BRENDA 1.17.3.2
KEGG Enzyme Link: KEGG1.17.3.2
BioCyc Enzyme Link: BioCyc 1.17.3.2
ExPASy Enzyme Link: ExPASy1.17.3.2
EC2PDB Enzyme Link: EC2PDB 1.17.3.2
ExplorEnz Enzyme Link: ExplorEnz 1.17.3.2
PRIAM enzyme-specific profiles Link: PRIAM 1.17.3.2
IntEnz Enzyme Link: IntEnz 1.17.3.2
MEDLINE Enzyme Link: MEDLINE 1.17.3.2
MSA:

1.17.3.2;

Phylogenetic Tree:

1.17.3.2;

Uniprot:
M-CSA:
RHEA:21132 H2O + O2 + xanthine = H2O2 + urate
RULE(radius=1) [*:1]:[n;H0;+0:2]:[cH;+0:3]:[*:4].[O;H0;+0:5]=[O;H0;+0:6].[OH2;+0:7]>>[*:1]:[nH;+0:2]:[c;H0;+0:3](:[*:4])=[O;H0;+0:7].[OH;+0:5]-[OH;+0:6]
Reaction
Core-to-Core More

References

TitleAuthorsDatePubMed ID
Mammalian xanthine oxidoreductase - mechanism of transition from xanthine dehydrogenase to xanthine oxidase.Nishino T, Okamoto K, Eger BT, Pai EF, Nishino T2008 Jul18513323
Crystal structures of urate bound form of xanthine oxidoreductase: substrate orientation and structure of the key reaction intermediate.Okamoto K, Kawaguchi Y, Eger BT, Pai EF, Nishino T2010 Dec 821077683
Substrate orientation and catalytic specificity in the action of xanthine oxidase: the sequential hydroxylation of hypoxanthine to uric acid.Cao H, Pauff JM, Hille R2010 Sep 320615869
QM/MM studies of xanthine oxidase: variations of cofactor, substrate, and active-site Glu802.Metz S, Thiel W2010 Jan 2820050623
Inhibition studies of bovine xanthine oxidase by luteolin, silibinin, quercetin, and curcumin.Pauff JM, Hille R2009 Apr19388706
Human xanthine oxidase changes its substrate specificity to aldehyde oxidase type upon mutation of amino acid residues in the active site: roles of active site residues in binding and activation of purine substrate.Yamaguchi Y, Matsumura T, Ichida K, Okamoto K, Nishino T2007 Apr17301077
Purification, crystallization and preliminary X-ray diffraction studies of xanthine dehydrogenase and xanthine oxidase isolated from bovine milk.Eger BT, Okamoto K, Enroth C, Sato M, Nishino T, Pai EF, Nishino T2000 Dec11092937