The biologically relevant coordination chemistry of iron and nitric oxide: electronic structure and reactivity

N Lehnert, E Kim, HT Dong, JB Harland… - Chemical …, 2021 - ACS Publications
Nitric oxide (NO) is an important signaling molecule that is involved in a wide range of
physiological and pathological events in biology. Metal coordination chemistry, especially …

The spectroscopy of nitrogenases

C Van Stappen, L Decamps, GE Cutsail III… - Chemical …, 2020 - ACS Publications
Nitrogenases are responsible for biological nitrogen fixation, a crucial step in the
biogeochemical nitrogen cycle. These enzymes utilize a two-component protein system and …

Advances in the Chemistry of Oxaziridines

KS Williamson, DJ Michaelis, TP Yoon - Chemical reviews, 2014 - ACS Publications
Oxaziridines constitute a subset of a class of versatile oxidants whose characteristic feature
is the presence of two electronegative heteroatoms within a strained three-membered ring …

Comparative electronic structures of nitrogenase FeMoco and FeVco

JA Rees, R Bjornsson, JK Kowalska, FA Lima… - Dalton …, 2017 - pubs.rsc.org
An investigation of the active site cofactors of the molybdenum and vanadium nitrogenases
(FeMoco and FeVco) was performed using high-resolution X-ray spectroscopy. Synthetic …

Non‐Heme Imine‐Based Iron Complexes as Catalysts for Oxidative Processes

G Olivo, O Lanzalunga… - Advanced Synthesis & …, 2016 - Wiley Online Library
Non‐heme iron complexes are emerging as powerful and versatile catalysts in several
oxidative transformations. The most investigated iron complex structures are based on …

Spectroscopic Description of the E1 State of Mo Nitrogenase Based on Mo and Fe X-ray Absorption and Mössbauer Studies

C Van Stappen, R Davydov, ZY Yang, R Fan… - Inorganic …, 2019 - ACS Publications
Mo nitrogenase (N2ase) utilizes a two-component protein system, the catalytic MoFe and its
electron-transfer partner FeP, to reduce atmospheric dinitrogen (N2) to ammonia (NH3). The …

Addition of Dioxygen to an N4S(thiolate) Iron(II) Cysteine Dioxygenase Model Gives a Structurally Characterized Sulfinato–Iron(II) Complex

AC McQuilken, Y Jiang, MA Siegler… - Journal of the …, 2012 - ACS Publications
The non-heme iron enzyme cysteine dioxygenase (CDO) catalyzes the S-oxygenation of
cysteine by O2 to give cysteine sulfinic acid. The synthesis of a new structural and functional …

Understanding how the thiolate sulfur contributes to the function of the non-heme iron enzyme superoxide reductase

JA Kovacs, LM Brines - Accounts of chemical research, 2007 - ACS Publications
Toxic superoxide radicals, generated via adventitious reduction of dioxygen, have been
implicated in a number of disease states. The cysteinate-ligated non-heme iron enzyme …

Correlation Between Structural, Spectroscopic, and Reactivity Properties Within a Series of Structurally Analogous Metastable Manganese (III)–Alkylperoxo …

MK Coggins, V Martin-Diaconescu… - Journal of the …, 2013 - ACS Publications
Manganese–peroxos are proposed as key intermediates in a number of important
biochemical and synthetic transformations. Our understanding of the structural …

Role of second-sphere arginine residues in metal binding and metallocentre assembly in nitrile hydratases

C Miller, D Huntoon, N Kaley, I Ogutu, AT Fiedler… - Journal of inorganic …, 2024 - Elsevier
Two conserved second-sphere βArg (R) residues in nitrile hydratases (NHase), that form
hydrogen bonds with the catalytically essential sulfenic and sulfinic acid ligands, were …