Superoxide dismutases and superoxide reductases

Y Sheng, IA Abreu, DE Cabelli, MJ Maroney… - Chemical …, 2014 - ACS Publications
Superoxide, O2•−, is formed in all living organisms that come in contact with air, and,
depending upon its biological context, it may act as a signaling agent, a toxic species, or a …

Nickel-catalyzed radical mechanisms: informing cross-coupling for synthesizing non-canonical biomolecules

GA Dawson, EH Spielvogel, T Diao - Accounts of Chemical …, 2023 - ACS Publications
Conspectus Nickel excels at facilitating selective radical chemistry, playing a pivotal role in
metalloenzyme catalysis and modern cross-coupling reactions. Radicals, being nonpolar …

The structural biochemistry of the superoxide dismutases

JJP Perry, DS Shin, ED Getzoff, JA Tainer - Biochimica et Biophysica Acta …, 2010 - Elsevier
The discovery of superoxide dismutases (SODs), which convert superoxide radicals to
molecular oxygen and hydrogen peroxide, has been termed the most important discovery of …

Benchmarking density functional theory methods for metalloenzyme reactions: The introduction of the mme55 set

DA Wappett, L Goerigk - Journal of Chemical Theory and …, 2023 - ACS Publications
We present a new benchmark set of metalloenzyme model reaction energies and barrier
heights that we call MME55. The set contains 10 different enzymes, representing eight …

Dioxygen activation at monovalent nickel

MT Kieber-Emmons, CG Riordan - Accounts of chemical research, 2007 - ACS Publications
The monovalent oxidation state of nickel has received a growing amount of attention in
recent years, in part due to its suggested catalytic role in a number of metalloprotein …

Lewis acid promoted aerobic oxidative coupling of thiols with phosphonates by simple Nickel (II) catalyst: substrate scope and mechanistic studies

JW Xue, M Zeng, S Zhang, Z Chen… - The Journal of Organic …, 2019 - ACS Publications
Exploring new catalysts for efficient organic synthesis is among the most attractive topics in
chemistry. Here, using Ni (OAc) 2/LA as catalyst (LA: Lewis acid), a novel catalyst strategy …

QM/MM molecular dynamics simulations revealed catalytic mechanism of urease

T Saito, Y Takano - The Journal of Physical Chemistry B, 2022 - ACS Publications
Urease catalyzes the hydrolysis of urea to form ammonia and carbamate, inducing an
overall pH increase that affects both human health and agriculture. Inhibition, mutagenesis …

Insight into the structure and mechanism of nickel-containing superoxide dismutase derived from peptide-based mimics

J Shearer - Accounts of chemical research, 2014 - ACS Publications
Conspectus Nickel superoxide dismutase (NiSOD) is a nickel-containing metalloenzyme
that catalyzes the disproportionation of superoxide through a ping-pong mechanism that …

Beweis von Schwefel‐non‐Innocence in [CoII (Dithiacyclam)] 2+‐vermittelten, katalytischen Sauerstoff‐Reduktions‐Reaktionen

B Battistella, L Iffland‐Mühlhaus, M Schütze… - Angewandte …, 2023 - Wiley Online Library
Abstract In vielen Metallenzymen sind Schwefel‐enthaltende Liganden an Elektronen‐
Transfer‐Reaktionen beteiligt. In dem hier diskutierten biomimetischen Ansatz wird der …

An efficient approach for enhancing the catalytic activity of Ni-MOF-74 via a relay catalyst system for the selective oxidation of benzylic C–H bonds under mild …

C Guo, Y Zhang, Y Zhang, J Wang - Chemical Communications, 2018 - pubs.rsc.org
Although nickel-based materials exhibit similar catalytic activity to palladium in organic
synthesis, the selective oxidation of inert C–H bonds in the absence of other co-catalysts …