Study of peroxidase mechanisms by pulse radiolysis. III. The rate of reaction of O2
- and HO2 radicals with horse-radish peroxidase compound I

Benon H J Bielski; Janusz M. Gebicki

doi:10.1016/0005-2744(74)90008-4

Study of peroxidase mechanisms by pulse radiolysis. III. The rate of reaction of O2 - and HO2 radicals with horse-radish peroxidase compound I

Benon H J Bielski^*, Janusz M. Gebicki

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

37 Citations (Scopus)

Abstract

Horseradish peroxidase (donor: H₂O₂ oxidoreductase. EC 1.11.1.7) Compound I forms when the enzyme reacts with hydrogen peroxide. Rates of reaction of O₂ ^- and HO₂ radicals with Compound I were measured in the pH range 3.8 to 8.8. The rate constants were 1.6·10⁶ M^-1·s^-1 for O₂ ^- and 2.2·10⁸ M^-1·s^-1 for HO₂.

Original language	English
Pages (from-to)	233-235
Number of pages	3
Journal	BBA - Enzymology
Volume	364
Issue number	2
DOIs	https://doi.org/10.1016/0005-2744(74)90008-4
Publication status	Published - 17 Oct 1974

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title = "Study of peroxidase mechanisms by pulse radiolysis. III. The rate of reaction of O2 - and HO2 radicals with horse-radish peroxidase compound I",

abstract = "Horseradish peroxidase (donor: H2O2 oxidoreductase. EC 1.11.1.7) Compound I forms when the enzyme reacts with hydrogen peroxide. Rates of reaction of O2 - and HO2 radicals with Compound I were measured in the pH range 3.8 to 8.8. The rate constants were 1.6·106 M-1·s-1 for O2 - and 2.2·108 M-1·s-1 for HO2.",

author = "Bielski, {Benon H J} and Gebicki, {Janusz M.}",

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AU - Bielski, Benon H J

AU - Gebicki, Janusz M.

PY - 1974/10/17

Y1 - 1974/10/17

N2 - Horseradish peroxidase (donor: H2O2 oxidoreductase. EC 1.11.1.7) Compound I forms when the enzyme reacts with hydrogen peroxide. Rates of reaction of O2 - and HO2 radicals with Compound I were measured in the pH range 3.8 to 8.8. The rate constants were 1.6·106 M-1·s-1 for O2 - and 2.2·108 M-1·s-1 for HO2.

AB - Horseradish peroxidase (donor: H2O2 oxidoreductase. EC 1.11.1.7) Compound I forms when the enzyme reacts with hydrogen peroxide. Rates of reaction of O2 - and HO2 radicals with Compound I were measured in the pH range 3.8 to 8.8. The rate constants were 1.6·106 M-1·s-1 for O2 - and 2.2·108 M-1·s-1 for HO2.

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DO - 10.1016/0005-2744(74)90008-4

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IS - 2

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Study of peroxidase mechanisms by pulse radiolysis. III. The rate of reaction of O2 - and HO2 radicals with horse-radish peroxidase compound I

Abstract

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