Designing artificial metalloenzymes by tuning of the environment beyond the primary coordination sphere

C Van Stappen, Y Deng, Y Liu, H Heidari… - Chemical …, 2022 - ACS Publications
Metalloenzymes catalyze a variety of reactions using a limited number of natural amino
acids and metallocofactors. Therefore, the environment beyond the primary coordination …

Oxygen activation and radical transformations in heme proteins and metalloporphyrins

X Huang, JT Groves - Chemical reviews, 2017 - ACS Publications
As a result of the adaptation of life to an aerobic environment, nature has evolved a panoply
of metalloproteins for oxidative metabolism and protection against reactive oxygen species …

Second sphere effects on oxygen reduction and peroxide activation by mononuclear iron porphyrins and related systems

S Bhunia, A Ghatak, A Dey - Chemical Reviews, 2022 - ACS Publications
Activation and reduction of O2 and H2O2 by synthetic and biosynthetic iron porphyrin
models have proved to be a versatile platform for evaluating second-sphere effects deemed …

Synthetic Fe/Cu complexes: toward understanding heme-copper oxidase structure and function

SM Adam, GB Wijeratne, PJ Rogler, DE Diaz… - Chemical …, 2018 - ACS Publications
Heme-copper oxidases (HCOs) are terminal enzymes on the mitochondrial or bacterial
respiratory electron transport chain, which utilize a unique heterobinuclear active site to …

Activation of dioxygen by copper metalloproteins and insights from model complexes

DA Quist, DE Diaz, JJ Liu, KD Karlin - JBIC Journal of Biological Inorganic …, 2017 - Springer
Nature uses dioxygen as a key oxidant in the transformation of biomolecules. Among the
enzymes that are utilized for these reactions are copper-containing metalloenzymes, which …

In situ structural observation of a substrate-and peroxide-bound high-spin ferric-hydroperoxo intermediate in the P450 enzyme CYP121

RC Nguyen, I Davis, M Dasgupta, Y Wang… - Journal of the …, 2023 - ACS Publications
The P450 enzyme CYP121 from Mycobacterium tuberculosis catalyzes a carbon–carbon (C–
C) bond coupling cyclization of the dityrosine substrate containing a diketopiperazine ring …

Molecular understanding of heteronuclear active sites in heme–copper oxidases, nitric oxide reductases, and sulfite reductases through biomimetic modelling

CJ Reed, QN Lam, EN Mirts, Y Lu - Chemical Society Reviews, 2021 - pubs.rsc.org
Heme–copper oxidases (HCO), nitric oxide reductases (NOR), and sulfite reductases (SiR)
catalyze the multi-electron and multi-proton reductions of O2, NO, and SO32−, respectively …

Single metal atom catalysts and ORR: H-bonding, solvation, and the elusive hydroperoxyl intermediate

F Armillotta, D Bidoggia, S Baronio, P Biasin… - ACS …, 2022 - ACS Publications
The widely investigated oxygen reduction reaction (ORR) is well-known to proceed via two
competing routes, involving two or four electrons, and yielding different reaction products …

Design of artificial metalloproteins/metalloenzymes by tuning noncovalent interactions

S Hirota, YW Lin - JBIC Journal of Biological Inorganic Chemistry, 2018 - Springer
Noncovalent weak interactions [hydrophobic interaction and hydrogen (H)-bond] play crucial
roles in controlling the functions of biomolecules, and thus have been used to design …

Molecular rationale for partitioning between C–H and C–F bond activation in heme-dependent tyrosine hydroxylase

Y Wang, I Davis, I Shin, H Xu, A Liu - Journal of the American …, 2021 - ACS Publications
The heme-dependent l-tyrosine hydroxylases (TyrHs) in natural product biosynthesis
constitute a new enzyme family in contrast to the nonheme iron enzymes for DOPA …