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. Author manuscript; available in PMC: 2015 Jul 20.
Published in final edited form as: Chem Rev. 2015 Jan 21;115(4):1702–1724. doi: 10.1021/cr500495x

Scheme 1.

Scheme 1

Possible mechanism of Hb A autoxidation. Schematic presentation of reactions in converting the heme-iron atom from the ferrous (Fe+2) to the ferric (Fe+3) state. Scheme adapted from ref. 147. Copyright 1993 American Society for Biochemistry and Molecular Biology.