Xanthine dehydrogenase

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External IDs	GeneCards: [1]
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Species	Human	Mouse
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xanthine dehydrogenase
Identifiers
EC number	1.17.1.4
CAS number	9054-84-6
Databases
IntEnz	IntEnz view
BRENDA	BRENDA entry
ExPASy	NiceZyme view
KEGG	KEGG entry
MetaCyc	metabolic pathway
PRIAM	profile
PDB structures	RCSB PDB PDBe PDBsum
Gene Ontology	AmiGO / QuickGO
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Xanthine dehydrogenase, also known as XDH, is a protein that, in humans, is encoded by the XDH gene.

Function

Xanthine dehydrogenase belongs to the group of molybdenum-containing hydroxylases involved in the oxidative metabolism of purines. The enzyme is a homodimer. Xanthine dehydrogenase can be converted to xanthine oxidase by reversible sulfhydryl oxidation or by irreversible proteolytic modification.

Xanthine dehydrogenase catalyzes the following chemical reaction:

File:Xanthine dehydrogenase.svg

xanthine + NAD⁺ + H₂O <math>\rightleftharpoons</math> urate + NADH + H⁺

The three substrates of this enzyme are xanthine, NAD⁺, and H₂O, whereas its three products are urate, NADH, and H⁺.

This enzyme participates in purine metabolism.

Nomenclature

This enzyme belongs to the family of oxidoreductases, to be specific, those acting on CH or CH₂ groups with NAD⁺ or NADP⁺ as acceptor. The systematic name of this enzyme class is xanthine:NAD⁺ oxidoreductase. Other names in common use include NAD⁺-xanthine dehydrogenase, xanthine-NAD⁺ oxidoreductase, xanthine/NAD⁺ oxidoreductase, and xanthine oxidoreductase.

Clinical significance

Defects in xanthine dehydrogenase cause xanthinuria, may contribute to adult respiratory stress syndrome, and may potentiate influenza infection through an oxygen metabolite-dependent mechanism.

See also

• aldehyde oxidase and xanthine dehydrogenase, a/b hammerhead domain
• MOCOS
• xanthine oxidase

Further reading

• Battelli MG, Lorenzoni E (Oct 1982). "Purification and properties of a new glutathione-dependent thiol:disulphide oxidoreductase from rat liver". The Biochemical Journal. 207 (1): 133–8. doi:10.1042/bj2070133. PMC 1153833. PMID 6960894.
• Corte ED, Stirpe F (Feb 1972). "The regulation of rat liver xanthine oxidase. Involvement of thiol groups in the conversion of the enzyme activity from dehydrogenase (type D) into oxidase (type O) and purification of the enzyme". The Biochemical Journal. 126 (3): 739–45. doi:10.1042/bj1260739. PMC 1178433. PMID 4342395.
• Parzen SD, Fox AS (Dec 1964). "Purification of xanthine dehydrogenase from drosophila melanogaster". Biochimica et Biophysica Acta. 92: 465–71. doi:10.1016/0926-6569(64)90006-9. PMID 14264879.
• Rajagopalan KV, Handler P (Sep 1967). "Purification and properties of chicken liver xanthine dehydrogenase". The Journal of Biological Chemistry. 242 (18): 4097–107. PMID 4294045.
• Smith ST, Rajagopalan KV, Handler P (Sep 1967). "Purification and properties of xanthine dehydroganase from Micrococcus lactilyticus". The Journal of Biological Chemistry. 242 (18): 4108–17. PMID 6061702.
• Parschat K, Canne C, Hüttermann J, Kappl R, Fetzner S (Jan 2001). "Xanthine dehydrogenase from Pseudomonas putida 86: specificity, oxidation-reduction potentials of its redox-active centers, and first EPR characterization". Biochimica et Biophysica Acta. 1544 (1–2): 151–65. doi:10.1016/S0167-4838(00)00214-4. PMID 11341925.
• Ichida K, Amaya Y, Noda K, Minoshima S, Hosoya T, Sakai O, Shimizu N, Nishino T (Nov 1993). "Cloning of the cDNA encoding human xanthine dehydrogenase (oxidase): structural analysis of the protein and chromosomal location of the gene". Gene. 133 (2): 279–84. doi:10.1016/0378-1119(93)90652-J. PMID 8224915.
• Enroth C, Eger BT, Okamoto K, Nishino T, Nishino T, Pai EF (Sep 2000). "Crystal structures of bovine milk xanthine dehydrogenase and xanthine oxidase: structure-based mechanism of conversion". Proceedings of the National Academy of Sciences of the United States of America. 97 (20): 10723–8. doi:10.1073/pnas.97.20.10723. PMC 27090. PMID 11005854.
• Truglio JJ, Theis K, Leimkühler S, Rappa R, Rajagopalan KV, Kisker C (Jan 2002). "Crystal structures of the active and alloxanthine-inhibited forms of xanthine dehydrogenase from Rhodobacter capsulatus". Structure. 10 (1): 115–25. doi:10.1016/S0969-2126(01)00697-9. PMID 11796116.
• Hille R (Nov 1996). "The Mononuclear Molybdenum Enzymes". Chemical Reviews. 96 (7): 2757–2816. doi:10.1021/cr950061t. PMID 11848841.
• Meneshian A, Bulkley GB (Jul 2002). "The physiology of endothelial xanthine oxidase: from urate catabolism to reperfusion injury to inflammatory signal transduction". Microcirculation. 9 (3): 161–75. doi:10.1038/sj.mn.7800136. PMID 12080414.
• Xu P, Huecksteadt TP, Harrison R, Hoidal JR (Oct 1995). "Molecular cloning, tissue expression of human xanthine dehydrogenase". Biochemical and Biophysical Research Communications. 215 (1): 429. doi:10.1006/bbrc.1995.2482. PMID 7575623.
• Xu P, Zhu XL, Huecksteadt TP, Brothman AR, Hoidal JR (Sep 1994). "Assignment of human xanthine dehydrogenase gene to chromosome 2p22". Genomics. 23 (1): 289–91. doi:10.1006/geno.1994.1498. PMID 7829092.
• Minoshima S, Wang Y, Ichida K, Nishino T, Shimizu N (1994). "Mapping of the gene for human xanthine dehydrogenase (oxidase) (XDH) to band p23 of chromosome 2". Cytogenetics and Cell Genetics. 68 (1–2): 52–3. doi:10.1159/000133887. PMID 7956358.
• Rytkönen EM, Halila R, Laan M, Saksela M, Kallioniemi OP, Palotie A, Raivio KO (1994). "The human gene for xanthine dehydrogenase (XDH) is localized on chromosome band 2q22". Cytogenetics and Cell Genetics. 68 (1–2): 61–3. doi:10.1159/000133890. PMID 7956361.
• Xu P, Huecksteadt TP, Harrison R, Hoidal JR (Mar 1994). "Molecular cloning, tissue expression of human xanthine dehydrogenase". Biochemical and Biophysical Research Communications. 199 (2): 998–1004. doi:10.1006/bbrc.1994.1328. PMID 8135849.
• Ichida K, Amaya Y, Noda K, Minoshima S, Hosoya T, Sakai O, Shimizu N, Nishino T (Nov 1993). "Cloning of the cDNA encoding human xanthine dehydrogenase (oxidase): structural analysis of the protein and chromosomal location of the gene". Gene. 133 (2): 279–84. doi:10.1016/0378-1119(93)90652-J. PMID 8224915.
• Satoh A, Sasago S, Takahashi S, Kato N (Sep 1993). "Regulation of xanthine dehydrogenase in rat liver in response to peroxisome proliferators". Biochemical and Biophysical Research Communications. 195 (2): 751–7. doi:10.1006/bbrc.1993.2109. PMID 8373410.
• Xu P, Huecksteadt TP, Hoidal JR (Jun 1996). "Molecular cloning and characterization of the human xanthine dehydrogenase gene (XDH)". Genomics. 34 (2): 173–80. doi:10.1006/geno.1996.0262. PMID 8661045.
• Saksela M, Raivio KO (Apr 1996). "Cloning and expression in vitro of human xanthine dehydrogenase/oxidase". The Biochemical Journal. 315 (Pt 1): 235–9. doi:10.1042/bj3150235. PMC 1217176. PMID 8670112.
• Many A, Westerhausen-Larson A, Kanbour-Shakir A, Roberts JM (1996). "Xanthine oxidase/dehydrogenase is present in human placenta". Placenta. 17 (5–6): 361–5. doi:10.1016/S0143-4004(96)90061-2. PMID 8829220.
• Hellsten Y, Frandsen U, Orthenblad N, Sjødin B, Richter EA (Jan 1997). "Xanthine oxidase in human skeletal muscle following eccentric exercise: a role in inflammation". The Journal of Physiology. 498 (Pt 1): 239–48. doi:10.1113/jphysiol.1997.sp021855. PMC 1159248. PMID 9023782.
• Ichida K, Amaya Y, Kamatani N, Nishino T, Hosoya T, Sakai O (May 1997). "Identification of two mutations in human xanthine dehydrogenase gene responsible for classical type I xanthinuria". The Journal of Clinical Investigation. 99 (10): 2391–7. doi:10.1172/JCI119421. PMC 508078. PMID 9153281.
• Rouquette M, Stevens C, Blake DR, Harrison R, Whish J, Whish WD (Aug 1997). "Expression of xanthine oxidase activity in human endothelial cells as a function of cell density". Biochemical Society Transactions. 25 (3): 532S. doi:10.1042/bst025532s. PMID 9388748.
• Newaz MA, Adeeb NN (Mar 1998). "Detection of xanthine oxidase in human plasma". The Medical Journal of Malaysia. 53 (1): 70–5. PMID 10968141.
• Martelin E, Palvimo JJ, Lapatto R, Raivio KO (Sep 2000). "Nuclear factor Y activates the human xanthine oxidoreductase gene promoter". FEBS Letters. 480 (2–3): 84–8. doi:10.1016/S0014-5793(00)01909-8. PMID 11034305.
• Stiborová M, Frei E, Sopko B, Wiessler M, Schmeiser HH (Apr 2002). "Carcinogenic aristolochic acids upon activation by DT-diaphorase form adducts found in DNA of patients with Chinese herbs nephropathy". Carcinogenesis. 23 (4): 617–25. doi:10.1093/carcin/23.4.617. PMID 11960915.
• Frederiks WM, Vreeling-Sindelárová H (2002). "Ultrastructural localization of xanthine oxidoreductase activity in isolated rat liver cells". Acta Histochemica. 104 (1): 29–37. doi:10.1078/0065-1281-00629. PMID 11993848.
• Cejková J, Ardan T, Filipec M, Midelfart A (2003). "Xanthine oxidoreductase and xanthine oxidase in human cornea". Histology and Histopathology. 17 (3): 755–60. PMID 12168784.