Reactions of reduced cellobiose oxidase with oxygen. Is cellobiose oxidase primarily an oxidase?

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منابع مشابه

Electron transfer reactions of cellobiose oxidase.

1 Cammack, K. and Ingledew, W. J. (eds.) (1985) Hiochem. Soc. Trans. 13, 54 1-04 1 2 Keijzers, C. 1’. (1987) in Specialist Periodical Keport: Electron Spin Resonance (Symons, M. C. K.. ed.). vol. 10H. pp. 1-38, Koyal Society of Chemistry, London 3 Eaton, G. K. and Eaton, S. S. (1989) in Biological Magnetic Resonance (Berliner. I,. J. and Reuben, J., eds.), vol. 8, pp. 339-397, Plenum, New York....

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Influence of cellobiose oxidase on peroxidases from Phanerochaete chrysosporium.

Reduction of H2O2-oxidized manganese peroxidase (MnP), lignin peroxidase and, to some extent, horseradish peroxidase, was studied in the presence of cellobiose oxidase (CbO) and cellobiose. It was found that the reversion rates for MnP compound II and lignin peroxidase compound II back to native enzymes increased significantly in the presence of CbO and cellobiose. However, the reduction of cyt...

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Reactions of cytochrome oxidase with oxygen and carbon monoxide.

Although spectrophotometric determinations of steady states together with turnover rates have allowed Chance (1952) to calculate that the rate of reaction of reduced cytochrome oxidase with oxygen must be about 107M-1 sec.-', no direct measurements of this rate appear to have been reported. This is due to the difficulty of obtaining the enzyme in a form which can be studied spectrophotometrical...

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Reactions of cytochrome oxidase.

In 1939 Keilin and Hartree (2) advanced the concept that there are two cytochrome components reacting between cytochrome c and oxygen; namely, cytochrome a and cytochrome a3. They based their hypothesis principally on the action of carbon monoxide which caused the a-band of reduced cytochrome a to spread toward 590 rnp and the r-band at 448 rnp to shift to 430 rnp and to be replaced by a very p...

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Direct Electrochemistry of Polyphenol Oxidase

The electrochemistry of banana tissues on a carbon paste electrode modified with multi-walled carbon nanotubes (MWCNTs) is presented. Cyclic voltammetry is applied to investigate the direct electrochemistry of banana tissues i.e. a source of polyphenol oxidase (PPO). A redox couple with an anodic and counterpart cathodic peak is obtained. The influence of various parameters such as pH,...

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ژورنال

عنوان ژورنال: Biochemical Journal

سال: 1990

ISSN: 0264-6021,1470-8728

DOI: 10.1042/bj2700265