Hypervalent iron-oxo porphyrin cation radical formation on reaction of H2O2 with the cytochrome-c-derived haem octapeptide microperoxidase-8 (MP-8) in aqueous solution
- 1 January 1990
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Chemical Communications
- No. 2,p. 97-98
- https://doi.org/10.1039/c39900000097
Abstract
The reaction between microperoxidase-8 (MP-8) and H2O2 has been investigated in aqueous buffer solution using the UV-vis spectrophotometric probe 2,2′-azino-bis(3-ethylbenthiazoline-6-sulphonic acid)(ABTS); evidence is presented for the intermediate formation of a hypervalent iron-oxo radical species analogous to compound I of the peroxidase enzymes.Keywords
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