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 …

Electronic structure of heme-nitrosyls and its significance for nitric oxide reactivity, sensing, transport, and toxicity in biological systems

LE Goodrich, F Paulat, VKK Praneeth… - Inorganic …, 2010 - ACS Publications
This review summarizes recent developments in the investigation of the electronic
structures, spectroscopic properties, and reactivities of ferrous and ferric heme-nitrosyls and …

A general reaction mechanism for carbapenem hydrolysis by mononuclear and binuclear metallo-β-lactamases

MN Lisa, AR Palacios, M Aitha, MM González… - Nature …, 2017 - nature.com
Carbapenem-resistant Enterobacteriaceae threaten human health, since carbapenems are
last resort drugs for infections by such organisms. Metallo-β-lactamases (MβLs) are the main …

Soluble guanylate cyclase

TL Poulos - Current opinion in structural biology, 2006 - Elsevier
Soluble guanylate cyclase (sGC) is a mammalian nitric oxide (NO) sensor. When NO binds
to the sGC heme, its GTP cyclase activity markedly increases, thus generating cyclic GMP …

Tutorial Review on the Set‐Up and Running of Quantum Mechanical Cluster Models for Enzymatic Reaction Mechanisms

SP de Visser, HPH Wong, Y Zhang… - … A European Journal, 2024 - Wiley Online Library
Enzymes turnover substrates into products with amazing efficiency and selectivity and as
such have great potential for use in biotechnology and pharmaceutical applications …

QM/MM calculations with DFT for taking into account protein effects on the EPR and optical spectra of metalloproteins. Plastocyanin as a case study

S Sinnecker, F Neese - Journal of computational chemistry, 2006 - Wiley Online Library
A detailed study of the influence of the surrounding protein on magnetic and optical spectra
of metalloproteins is presented using the quantum‐mechanical/molecular mechanical …

Dioxygen affinity in heme proteins investigated by computer simulation

MA Marti, A Crespo, L Capece, L Boechi… - Journal of inorganic …, 2006 - Elsevier
We present an investigation of the molecular basis of the modulation of oxygen affinity in
heme proteins using computer simulation. QM-MM calculations are applied to explore distal …

Complete reaction mechanism of indoleamine 2, 3-dioxygenase as revealed by QM/MM simulations

L Capece, A Lewis-Ballester, SR Yeh… - The Journal of …, 2012 - ACS Publications
Indoleamine 2, 3-dioxygenase (IDO) and tryptophan dioxygenase (TDO) are two heme
proteins that catalyze the oxidation reaction of tryptophan (Trp) to N-formylkynurenine (NFK) …

Heme protein oxygen affinity regulation exerted by proximal effects

L Capece, MA Marti, A Crespo… - Journal of the …, 2006 - ACS Publications
Heme proteins are found in all living organisms and are capable of performing a wide
variety of tasks, requiring in many cases the binding of diatomic ligands, namely, O2, CO …

Metalloporphyrin− NO Bonding: Building Bridges with Organometallic Chemistry

A Ghosh - Accounts of chemical research, 2005 - ACS Publications
DFT calculations in our laboratory and elsewhere have elucidated fundamental aspects of
the structure and bonding of a variety of metalloporphyrin− diatomic complexes, including …