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Sulfid-citohrom-c reduktaza (flavocitohrom c)

Izvor: Wikipedija
Sulfid-citohrom-c reduktaza (flavocitohrom c)
Identifikatori
EC broj 1.8.2.3
IntEnz IntEnz view
BRENDA BRENDA entry
ExPASy NiceZyme view
KEGG KEGG entry
MetaCyc metabolic pathway
PRIAM profile
PDB RCSB PDB PDBe PDBj PDBsum

Sulfid-citohrom-c reduktaza (flavocitohrom c) (EC 1.8.2.3, sulfid citohrom c reduktaza (flavocitohrom c)) je enzim sa sistematskim imenom hidrogen-sulfid:flavocitohrom c oksidoreduktaza.[1][2][3][4][5][6] Ovaj enzim katalizuje sledeću hemijsku reakciju:

vodonik sulfid + 2 fericitohrom c sumpor + 2 ferocitohrom c + 2 H+

Ovaj enzim iz Allochromatium vinosum sadrži kovalentno vezani FAD i kovalentno-vezane c-tip hemove.

Reference

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  1. Kusai, K. and 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: 304-314. PMID 4357558. 
  2. Fukumori, Y. and Yamanaka, T. (1979). „Flavocytochrome c of Chromatium vinosum. Some enzymatic properties and subunit structure”. J. Biochem. 85: 1405-1414. PMID 222744. 
  3. Gray, G.O., Gaul, D.F. and Knaff, D.B. (1983). „Partial purification and characterization of two soluble c-type cytochromes from Chromatium vinosum”. Arch. Biochem. Biophys. 222: 78-86. PMID 6301383. 
  4. Chen, Z.W., Koh, M., Van Driessche, G., Van Beeumen, J.J., Bartsch, R.G., Meyer, T.E., Cusanovich, M.A. and Mathews, F.S. (1994). „The structure of flavocytochrome c sulfide dehydrogenase from a purple phototrophic bacterium”. Science 266: 430-432. PMID 7939681. 
  5. Sorokin, D.Yu, de Jong, G.A., Robertson, L.A. and Kuenen, G.J. (1998). „Purification and characterization of sulfide dehydrogenase from alkaliphilic chemolithoautotrophic sulfur-oxidizing bacteria”. FEBS Lett. 427: 11-14. PMID 9613590. 
  6. Kostanjevecki, V., Brige, A., Meyer, T.E., Cusanovich, M.A., Guisez, Y. and van Beeumen, J. (2000). „A membrane-bound flavocytochrome c-sulfide dehydrogenase from the purple phototrophic sulfur bacterium Ectothiorhodospira vacuolata. J. Bacteriol. 182: 3097-3103. PMID 10809687. 

Literatura

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