engleski

The Haem-Environment in Horseradish Peroxidase as seen by Proton Magnetic Relaxation

The water-proton fast exchange between the vicinity of the ferric haem-iron and bulk solvent in horseradish peroxidase solutions at neutral pH has been directly verified by measuring the proton magnetic relaxation times of the aliphatic protons from ethanediol in an otherwise deuterated solution. The implications of this finding are discussed with regard to the stereochemistry of the haem-surrounding.

Horseradish peroxidase; Proton magnetic relaxation; Stereochemical probe; Water exchange

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