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- Cytochrome_c_peroxidase abstract "Cytochrome c peroxidase, or CCP is a water-soluble heme-containing enzyme of the peroxidase family that takes reducing equivalents from cytochrome c and reduces hydrogen peroxide to water:CCP + H2O2 + 2 ferrocytochrome c + 2H+ → CCP + 2H2O + 2 ferricytochrome cCytochrome c peroxidase can react with hydroperoxides other than hydrogen peroxide, but the reaction rate is much slower than with hydrogen peroxide.It was first isolated from baker's yeast by R. A. Altschul, Abrams, and Hogness in 1940, though not to purity. The first purified preparation of yeast CCP dates to Takashi Yonetani and his preparation by ion exchange chromatography in the early 1960s. The X-ray structure was the work of Thomas Poulos and coworkers in the late 1970s.The yeast enzyme is a monomer of molecular weight 34,000, containing 293 amino acids, and contains as well a single noncovalently bound heme b. Unusual for proteins, this enzyme crystallizes when dialysed against distilled water. More so, the enzyme purifies as a consequence of crystallization, making cycles of crystallization an effective final purification step.Much like catalase, the reaction of cytochrome c peroxidase proceeds through a three-step process, forming first a CCP-compound I and then a CCP-compound II: CCP + ROOH → CCP-compound I + ROH + H2O CCP-compound I + e− + H+ → CCP-compound II CCP-compound II + e− + H+ → CCPCCP in the resting state has a ferric heme, and, after the addition of two oxidizing equivalents from a hydroperoxide, it becomes an enzyme of formal oxidation state V. However, both low-temperature magnetic susceptibility measurements and Mössbauer spectroscopy show that the iron in CCP-compound I is a +4 ferryl iron, and not in oxidation state V. The other salient feature of CCP-compound I is a long-lived free-radical, whose signal suggests a species other than the porphyrin free-radicals of other peroxidase compound I species. Early on it was recognized to be an organic free-radical, with the bulk of evidence now linking it to the side-chain of the tryptophan residue (Trp-191).Unlike most peroxidases, CCP-compound I is fairly long-lived, decaying to CCP-compound II with a half-life at room temperature of 40 minutes to a couple hours.".
- Cytochrome_c_peroxidase ecNumber "1.11.1.5".
- Cytochrome_c_peroxidase wikiPageExternalLink homepage.html.
- Cytochrome_c_peroxidase wikiPageExternalLink projects.html.
- Cytochrome_c_peroxidase wikiPageExternalLink P00431.
- Cytochrome_c_peroxidase wikiPageID "323083".
- Cytochrome_c_peroxidase wikiPageLength "3514".
- Cytochrome_c_peroxidase wikiPageOutDegree "19".
- Cytochrome_c_peroxidase wikiPageRevisionID "646713853".
- Cytochrome_c_peroxidase wikiPageWikiLink Bakers_yeast.
- Cytochrome_c_peroxidase wikiPageWikiLink Catalase.
- Cytochrome_c_peroxidase wikiPageWikiLink Category:EC_1.11.1.
- Cytochrome_c_peroxidase wikiPageWikiLink Category:Hemoproteins.
- Cytochrome_c_peroxidase wikiPageWikiLink Chromatography.
- Cytochrome_c_peroxidase wikiPageWikiLink Cytochrome_c.
- Cytochrome_c_peroxidase wikiPageWikiLink Dialysis_(biochemistry).
- Cytochrome_c_peroxidase wikiPageWikiLink Enzyme.
- Cytochrome_c_peroxidase wikiPageWikiLink Ferric.
- Cytochrome_c_peroxidase wikiPageWikiLink Free-radical.
- Cytochrome_c_peroxidase wikiPageWikiLink Heme.
- Cytochrome_c_peroxidase wikiPageWikiLink Hydrogen_peroxide.
- Cytochrome_c_peroxidase wikiPageWikiLink Hydroperoxides.
- Cytochrome_c_peroxidase wikiPageWikiLink Mössbauer_spectroscopy.
- Cytochrome_c_peroxidase wikiPageWikiLink Organic_peroxide.
- Cytochrome_c_peroxidase wikiPageWikiLink Peroxidase.
- Cytochrome_c_peroxidase wikiPageWikiLink Radical_(chemistry).
- Cytochrome_c_peroxidase wikiPageWikiLink Side_chain.
- Cytochrome_c_peroxidase wikiPageWikiLink Tryptophan.
- Cytochrome_c_peroxidase wikiPageWikiLink X-ray_crystallography.
- Cytochrome_c_peroxidase wikiPageWikiLinkText "Cytochrome c peroxidase".
- Cytochrome_c_peroxidase wikiPageWikiLinkText "cytochrome c peroxidase".
- Cytochrome_c_peroxidase casNumber "9029".
- Cytochrome_c_peroxidase ecNumber "1.11".
- Cytochrome_c_peroxidase goCode "4130".
- Cytochrome_c_peroxidase hasPhotoCollection Cytochrome_c_peroxidase.
- Cytochrome_c_peroxidase iubmbEcNumber "1".
- Cytochrome_c_peroxidase name "cytochrome-c peroxidase".
- Cytochrome_c_peroxidase wikiPageUsesTemplate Template:Enzyme.
- Cytochrome_c_peroxidase wikiPageUsesTemplate Template:Peroxidases.
- Cytochrome_c_peroxidase wikiPageUsesTemplate Template:Reflist.
- Cytochrome_c_peroxidase subject Category:EC_1.11.1.
- Cytochrome_c_peroxidase subject Category:Hemoproteins.
- Cytochrome_c_peroxidase hypernym Enzyme.
- Cytochrome_c_peroxidase type Biomolecule.
- Cytochrome_c_peroxidase type Enzyme.
- Cytochrome_c_peroxidase type Protein.
- Cytochrome_c_peroxidase type Metalloprotein.
- Cytochrome_c_peroxidase type Thing.
- Cytochrome_c_peroxidase type Q206229.
- Cytochrome_c_peroxidase type Q8047.
- Cytochrome_c_peroxidase comment "Cytochrome c peroxidase, or CCP is a water-soluble heme-containing enzyme of the peroxidase family that takes reducing equivalents from cytochrome c and reduces hydrogen peroxide to water:CCP + H2O2 + 2 ferrocytochrome c + 2H+ → CCP + 2H2O + 2 ferricytochrome cCytochrome c peroxidase can react with hydroperoxides other than hydrogen peroxide, but the reaction rate is much slower than with hydrogen peroxide.It was first isolated from baker's yeast by R. A.".
- Cytochrome_c_peroxidase label "Cytochrome c peroxidase".
- Cytochrome_c_peroxidase sameAs سايتوكروم_سي_أوكسيديز.
- Cytochrome_c_peroxidase sameAs Citocromo_c_peroxidasa.
- Cytochrome_c_peroxidase sameAs Citocromo_c_perossidasi.
- Cytochrome_c_peroxidase sameAs シトクロムcペルオキシダーゼ.
- Cytochrome_c_peroxidase sameAs m.01vs7q.
- Cytochrome_c_peroxidase sameAs Citohrom-c_peroksidaza.
- Cytochrome_c_peroxidase sameAs Citohrom-c_peroksidaza.
- Cytochrome_c_peroxidase sameAs Q3678325.
- Cytochrome_c_peroxidase sameAs Q3678325.
- Cytochrome_c_peroxidase wasDerivedFrom Cytochrome_c_peroxidase?oldid=646713853.
- Cytochrome_c_peroxidase isPrimaryTopicOf Cytochrome_c_peroxidase.
- Cytochrome_c_peroxidase name "cytochrome-c peroxidase".