Biology:Sulfide-cytochrome-c reductase (flavocytochrome c)

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Sulfide-cytochrome-c reductase (flavocytochrome c)
Identifiers
EC number1.8.2.3
Databases
IntEnzIntEnz view
BRENDABRENDA entry
ExPASyNiceZyme view
KEGGKEGG entry
MetaCycmetabolic pathway
PRIAMprofile
PDB structuresRCSB PDB PDBe PDBsum

Sulfide-cytochrome-c reductase (flavocytochrome c) (EC 1.8.2.3) is an enzyme with systematic name hydrogen-sulfide:flavocytochrome c oxidoreductase.[1][2][3][4][5][6] This enzyme catalyses the following chemical reaction

hydrogen sulfide + 2 ferricytochrome c [math]\displaystyle{ \rightleftharpoons }[/math] sulfur + 2 ferrocytochrome c + 2 H+

The enzyme from Allochromatium vinosum contains covalently bound FAD and c-type hemes.

References

  1. Kusai, K.; Yamanaka, T. (1973). "The oxidation mechanisms of thiosulphate and sulphide in Chlorobium thiosulphatophilum: roles of cytochrome c-551 and cytochrome c-553". Biochim. Biophys. Acta 325 (2): 304–314. doi:10.1016/0005-2728(73)90106-0. PMID 4357558. 
  2. Fukumori, Y.; Yamanaka, T. (1979). "Flavocytochrome c of Chromatium vinosum. Some enzymatic properties and subunit structure". J. Biochem. 85 (6): 1405–1414. PMID 222744. 
  3. Gray, G.O.; Gaul, D.F.; Knaff, D.B. (1983). "Partial purification and characterization of two soluble c-type cytochromes from Chromatium vinosum". Arch. Biochem. Biophys. 222 (1): 78–86. doi:10.1016/0003-9861(83)90504-0. PMID 6301383. 
  4. Chen, Z.W.; Koh, M.; Van Driessche, G.; Van Beeumen, J.J.; Bartsch, R.G.; Meyer, T.E.; Cusanovich, M.A.; Mathews, F.S. (1994). "The structure of flavocytochrome c sulfide dehydrogenase from a purple phototrophic bacterium". Science 266: 430–432. doi:10.1126/science.7939681. PMID 7939681. 
  5. Sorokin, D.Yu; de Jong, G.A.; Robertson, L.A.; Kuenen, G.J. (1998). "Purification and characterization of sulfide dehydrogenase from alkaliphilic chemolithoautotrophic sulfur-oxidizing bacteria". FEBS Lett. 427 (1): 11–14. doi:10.1016/S0014-5793(98)00379-2. PMID 9613590. 
  6. Kostanjevecki, V.; Brige, A.; Meyer, T.E.; Cusanovich, M.A.; Guisez, Y.; van Beeumen, J. (2000). "A membrane-bound flavocytochrome c-sulfide dehydrogenase from the purple phototrophic sulfur bacterium Ectothiorhodospira vacuolata". J. Bacteriol. 182 (11): 3097–3103. doi:10.1128/jb.182.11.3097-3103.2000. PMID 10809687. 

External links