Dioxygen Activation by Nonheme Diiron Enzymes: Diverse Dioxygen Adducts, High-Valent Intermediates, and Related Model Complexes

. Author manuscript; available in PMC: 2019 Mar 14.

Published in final edited form as: Chem Rev. 2018 Feb 5;118(5):2554–2592. doi: 10.1021/acs.chemrev.7b00457

Scheme 3. Reversible Conversion of Deoxyhemerythrin (deoxyHr, PDB ID 1HMD) to Oxyhemerythrin (oxyHr, 1HMO) via an Unobserved Iron(II)Iron(III)-Superoxo Species Postulated by Solomon81.