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Decomposition of hydrogen peroxide by metmyoglobin: a cyclic formation of the ferryl intermediate
1Department of Biological Science, College of General Education, Tohoku University, Sendai, Japan.
The International Journal of Biochemistry
|January 1, 1993
Abstract:
1. Metmyoglobin reacted with H2O2 to form ferryl-myoglobin, which reverted back spontaneously to the met-form. 2. Through this cyclic reaction of myoglobin between metMb(III) and ferryl-Mb(IV), we proposed that H2O2, one of the potent oxidants in vivo, can be decomposed continuously in cardiac and skeletal muscle tissues in the absence of catalase and peroxidase.