http://www.cnr.it/ontology/cnr/individuo/prodotto/ID253171
The cytochrome cbb3 from Pseudomonas stutzeri displays nitric oxide reductase activity (Articolo in rivista)
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- The cytochrome cbb3 from Pseudomonas stutzeri displays nitric oxide reductase activity (Articolo in rivista) (literal)
- Anno
- 2001-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1046/j.0014-2956.2001.02597.x (literal)
- Alternative label
Forte E, Urbani A, Saraste M, Sarti P, Brunori M, Giuffrè A (2001)
The cytochrome cbb3 from Pseudomonas stutzeri displays nitric oxide reductase activity
in European journal of biochemistry (Print)
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- Forte E, Urbani A, Saraste M, Sarti P, Brunori M, Giuffrè A (literal)
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- Department of Biochemical Sciences, CNR Centre of Molecular Biology, University of Rome 'La Sapienza', Rome, Italy; European Molecular Biology Laboratory, Heidelberg, Germany. (literal)
- Titolo
- The cytochrome cbb3 from Pseudomonas stutzeri displays nitric oxide reductase activity (literal)
- Abstract
- The cytochrome cbb3 is an isoenzyme in the family of cytochrome c oxidases. This protein purified from Pseudomonas stutzeri displays a cyanide-sensitive nitric oxide reductase activity (Vmax = 100 ± 9 mol NO·mol cbb3 -1·min-1 and Km = 12 ± 2.5 ?M), which is lost upon denaturation. This enzyme is only partially reduced by ascorbate, and readily re-oxidized by NO under anaerobic conditions at a rate consistent with the turnover number for NO consumption. As shown by transient spectroscopy experiments and singular value decomposition (SVD) analysis, these results suggest that the cbb3-type cytochromes, sharing structural features with bacterial nitric oxide reductases, are the enzymes retaining the highest NO reductase activity within the heme-copper oxidase superfamily. (literal)
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