Quantum chemical studies of mechanisms for metalloenzymes

MRA Blomberg, T Borowski, F Himo, RZ Liao… - Chemical …, 2014 - ACS Publications
Two decades ago, theoretical model calculations played a truly minor role in understanding
mechanisms of redox-active metalloenzymes. The methods available to treat transition …

Enzymatic halogenation and dehalogenation reactions: pervasive and mechanistically diverse

V Agarwal, ZD Miles, JM Winter, AS Eustáquio… - Chemical …, 2017 - ACS Publications
Naturally produced halogenated compounds are ubiquitous across all domains of life where
they perform a multitude of biological functions and adopt a diversity of chemical structures …

Reactive high-spin iron (IV)-oxo sites through dioxygen activation in a metal–organic framework

K Hou, J Börgel, HZH Jiang, DJ SantaLucia, H Kwon… - Science, 2023 - science.org
In nature, nonheme iron enzymes use dioxygen to generate high-spin iron (IV)= O species
for a variety of oxygenation reactions. Although synthetic chemists have long sought to …

Catalytic mechanisms of Fe (II)-and 2-oxoglutarate-dependent oxygenases

S Martinez, RP Hausinger - Journal of Biological Chemistry, 2015 - ASBMB
Mononuclear non-heme Fe (II)-and 2-oxoglutarate (2OG)-dependent oxygenases comprise
a large family of enzymes that utilize an Fe (IV)-oxo intermediate to initiate diverse oxidative …

Status of reactive non-heme metal–oxygen intermediates in chemical and enzymatic reactions

K Ray, FF Pfaff, B Wang, W Nam - Journal of the American …, 2014 - ACS Publications
Selective functionalization of unactivated C–H bonds, water oxidation, and dioxygen
reduction are extremely important reactions in the context of finding energy carriers and …

High-valent nonheme iron-oxo complexes: Synthesis, structure, and spectroscopy

AR McDonald, L Que Jr - Coordination Chemistry Reviews, 2013 - Elsevier
High-valent iron-oxo intermediates have often been implicated, and in some cases
identified, as the active oxidant in oxygen activating nonheme iron enzymes. Recent …

How Does the Nonheme Iron Enzyme NapI React through l-Arginine Desaturation Rather Than Hydroxylation? A Quantum Mechanics/Molecular Mechanics Study

HS Ali, J Warwicker, SP de Visser - ACS Catalysis, 2023 - ACS Publications
The naphthyridinomycin biosynthesis enzyme NapI selectively performs the desaturation of
a free l-arginine amino acid at the C4–C5 bond as part of its antibiotic biosynthesis reaction …

Halogenases: a palette of emerging opportunities for synthetic biology–synthetic chemistry and C–H functionalisation

C Crowe, S Molyneux, SV Sharma, Y Zhang… - Chemical Society …, 2021 - pubs.rsc.org
The enzymatic generation of carbon–halogen bonds is a powerful strategy used by both
nature and synthetic chemists to tune the bioactivity, bioavailability and reactivity of …

Beyond ferryl-mediated hydroxylation: 40 years of the rebound mechanism and C–H activation

X Huang, JT Groves - JBIC Journal of Biological Inorganic Chemistry, 2017 - Springer
Since our initial report in 1976, the oxygen rebound mechanism has become the consensus
mechanistic feature for an expanding variety of enzymatic C–H functionalization reactions …

Nature's machinery, repurposed: expanding the repertoire of iron-dependent oxygenases

NP Dunham, FH Arnold - ACS catalysis, 2020 - ACS Publications
Iron is an especially important redox-active cofactor in biology because of its ability to
mediate reactions with atmospheric O2. Iron-dependent oxygenases exploit this earth …