硫黄オキシゲナーゼ/レダクターゼ
硫黄オキシゲナーゼ/レダクターゼ（Sulfur oxygenase/reductase）は、次の化学反応を触媒する酸化還元酵素である。
- 4 S + 4 H2O + O2 2 H2S + 2 HSO3- + 2 H+
| 硫黄オキシゲナーゼ/レダクターゼ | |||||||||
|---|---|---|---|---|---|---|---|---|---|
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| 識別子 | |||||||||
| EC番号 | 1.13.11.55 | ||||||||
| データベース | |||||||||
| IntEnz | IntEnz view | ||||||||
| BRENDA | BRENDA entry | ||||||||
| ExPASy | NiceZyme view | ||||||||
| KEGG | KEGG entry | ||||||||
| MetaCyc | metabolic pathway | ||||||||
| PRIAM | profile | ||||||||
| PDB構造 | RCSB PDB PDBj PDBe PDBsum | ||||||||
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反応式の通り、この酵素の基質は硫黄とH2OとO2、生成物は硫化水素と亜硫酸水素イオンとH+である。
組織名はsulfur:oxygen oxidoreductase (hydrogen-sulfide- and sulfite-forming)で、別名にSOR、sulfur oxygenase、sulfur oxygenase reductaseがある。
参考文献
- Kletzin A (1989). “Coupled enzymatic production of sulfite, thiosulfate, and hydrogen sulfide from sulfur: purification and properties of a sulfur oxygenase reductase from the facultatively anaerobic archaebacterium Desulfurolobus ambivalens”. J. Bacteriol. 171 (3): 1638–43. PMC 209792. PMID 2493451.
- Kletzin A (1992). “Molecular characterization of the sor gene, which encodes the sulfur oxygenase/reductase of the thermoacidophilic Archaeum Desulfurolobus ambivalens”. J. Bacteriol. 174 (18): 5854–9. PMC 207119. PMID 1522063.
- Sun CW, Chen ZW, He ZG, Zhou PJ, Liu SJ (2003). “Purification and properties of the sulfur oxygenase/reductase from the acidothermophilic archaeon, Acidianus strain S5”. Extremophiles. 7 (2): 131–4. doi:10.1007/s00792-002-0304-5. PMID 12664265.
- Scholz C, Teixeira M, Gomes CM, Kletzin A (2004). “The sulphur oxygenase reductase from Acidianus ambivalens is a multimeric protein containing a low-potential mononuclear non-haem iron centre”. Biochem. J. 381 (Pt 1): 137–46. doi:10.1042/BJ20040003. PMC 1133771. PMID 15030315.
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