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 journalArticlepeer-review

33 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 languageEnglish
Pages (from-to)233-235
Number of pages3
JournalBBA - Enzymology
Volume364
Issue number2
DOIs
Publication statusPublished - 17 Oct 1974

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