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. 1981 Jul;46(7):1202-9.

[Cooxidation of potassium ferrocyanide and o-dianisidine by hydrogen peroxide catalyzed by horseradish peroxidase. Substrate-substrate activation]

[Article in Russian]
O V Lebedeva, N N Ugarova, I V Berezin
  • PMID: 7272350

[Cooxidation of potassium ferrocyanide and o-dianisidine by hydrogen peroxide catalyzed by horseradish peroxidase. Substrate-substrate activation]

[Article in Russian]
O V Lebedeva et al. Biokhimiia. 1981 Jul.

Abstract

The kinetics of cooxidation of potassium ferrocyanide and o-dianisidine by hydrogen peroxide catalyzed by horseradish peroxidase were studied. The peroxidation of potassium ferrocyanide is activated by o-dianisidine. A scheme illustrating the direct involvement of the enzyme in substrate-substrate activation is proposed. A method for determination of the rate constants of the first electron transfer from o-dianisidine to peroxidase (i. e. reduction of peroxidase E1 to E2) and of the constants for o-dianisidine binding by E1 was developed.

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