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. Author manuscript; available in PMC: 2019 Nov 28.
Published in final edited form as: Chem Rev. 2018 Oct 29;118(22):10840–11022. doi: 10.1021/acs.chemrev.8b00074

Scheme 30.

Scheme 30.

Proposed Transition States (TSHB′), in the O–O Cleavage Step of the Catalytic Cycle of CcO (Peroxy to PM), May Possess Copper(II)-Oxyl (Highlighted in Green) Charactera

aSuch a species would be highly reactive towards hydrogen atom abstraction from a nearby phenol (possibly the histidine cross-linked tyrosine residue at the BNC).