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 …

How biology handles nitrite

LB Maia, JJG Moura - Chemical Reviews, 2014 - ACS Publications
Nitrite is one of the players in the broad nitrogen biogeochemical cycle. This nitrogen oxo-
anion is involved in key pathways crucial to life on Earth and to the planetary “recycling” of …

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 …

New features in the redox coordination chemistry of metal nitrosyls {M–NO+; M–NO; M–NO−(HNO)}

F Roncaroli, M Videla, LD Slep, JA Olabe - Coordination Chemistry …, 2007 - Elsevier
We describe new developments in the coordination chemistry of bound nitrosyl, considering
its three formal redox states: NO+, NO and NO−/HNO. We emphasize on the correlation …

Short-lived intermediate in N2O generation by P450 NO reductase captured by time-resolved IR spectroscopy and XFEL crystallography

T Nomura, T Kimura, Y Kanematsu… - Proceedings of the …, 2021 - National Acad Sciences
Nitric oxide (NO) reductase from the fungus Fusarium oxysporum is a P450-type enzyme
(P450nor) that catalyzes the reduction of NO to nitrous oxide (N2O) in the global nitrogen …

Azanone (HNO): generation, stabilization and detection

CM Gallego, A Mazzeo, P Vargas, S Suárez… - Chemical …, 2021 - pubs.rsc.org
HNO (nitroxyl, azanone), joined the 'biologically relevant reactive nitrogen species' family in
the 2000s. Azanone is impossible to store due to its high reactivity and inherent low stability …

Stabilization of a Heme-HNO Model Complex Using a Bulky Bis-Picket Fence Porphyrin and Reactivity Studies with NO

EC Manickas, AB LaLonde, MY Hu… - Journal of the …, 2023 - ACS Publications
Nitroxyl, HNO/NO–, the one-electron reduced form of NO, is suggested to take part in distinct
signaling pathways in mammals and is also a key intermediate in various heme-catalyzed …

Six-Electron Reduction of Nitrite to Ammonia by Cytochrome c Nitrite Reductase: Insights from Density Functional Theory Studies

D Bykov, F Neese - Inorganic chemistry, 2015 - ACS Publications
In this Forum Article, an extensive discussion of the mechanism of six-electron, seven-proton
nitrite reduction by the cytochrome c nitrite reductase enzyme is presented. On the basis of …

The effects of nitroxyl (HNO) on soluble guanylate cyclase activity: interactions at ferrous heme and cysteine thiols

TW Miller, MM Cherney, AJ Lee, NE Francoleon… - Journal of Biological …, 2009 - ASBMB
It has been previously proposed that nitric oxide (NO) is the only biologically relevant
nitrogen oxide capable of activating the enzyme soluble guanylate cyclase (sGC). However …

Nitroxyl (azanone) trapping by metalloporphyrins

F Doctorovich, D Bikiel, J Pellegrino, SA Suárez… - Coordination Chemistry …, 2011 - Elsevier
The present review starts describing nitroxyl (azanone, 1HNO) biological relevance, in
relation with NO physiology, from a chemical reactivity perspective. After a description of …