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Oxidation of reduced cytochrome c by hydrogen peroxide
Author(s) -
Vandewalle P.L.,
Petersen N.O.
Publication year - 1987
Publication title -
febs letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.593
H-Index - 257
eISSN - 1873-3468
pISSN - 0014-5793
DOI - 10.1016/0014-5793(87)81336-4
Subject(s) - hydrogen peroxide , superoxide , chemistry , catalase , cytochrome c , photochemistry , absorbance , cytochrome , cytochrome c peroxidase , biochemistry , enzyme , chromatography , mitochondrion
Hydrogen peroxide, formed directly or as a product of Superoxide dismutation, can oxidize ferrocytochrome c at rates comparable to those at which ferricytochrome c is reduced by Superoxide. This reoxidation can significantly affect estimates of rates and amounts of Superoxide production using absorbance changes for cytochrome c at 550 nm as the assay. The oxidation can be inhibited by catalase.