Sulfur oxygenase/reductase explained
| Sulfur oxygenase/reductase |
| Ec Number: | 1.13.11.55 |
| Width: | 270 |
In enzymology, a sulfur oxygenase/reductase is an enzyme that catalyzes the chemical reaction
4 sulfur + 4 H2O + O2
2 hydrogen sulfide + 2 bisulfite + 2 H
+The 3 substrates of this enzyme are sulfur, H2O, and O2, whereas its 3 products are hydrogen sulfide, bisulfite, and H+.
This enzyme belongs to the family of oxidoreductases, specifically those acting on single donors with O2 as oxidant and incorporation of two atoms of oxygen into the substrate (oxygenases). The oxygen incorporated need not be derived from O2. The systematic name of this enzyme class is sulfur:oxygen oxidoreductase (hydrogen-sulfide- and sulfite-forming). Other names in common use include SOR, sulfur oxygenase, and sulfur oxygenase reductase.
References
- 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 . 1638 - 43 . 2493451 . 3 . 209792 .
- Kletzin A . 1992 . Molecular characterization of the sor gene, which encodes the sulfur oxygenase/reductase of the thermoacidophilic Archaeum Desulfurolobus ambivalens . J. Bacteriol. . 174 . 5854 - 9 . 1522063 . 18 . 207119 .
- 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 . 131 - 4 . 12664265 . 10.1007/s00792-002-0304-5 . 2 .
- Urich T, Bandeiras T, Leal S, Rachel R, Albrecht T, Zimmermann P, 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 . 137 - 46 . 15030315 . 10.1042/BJ20040003 . Pt 1 . 1133771 .
