Structural enzymology of nitrogenase enzymes

O Einsle, DC Rees - Chemical reviews, 2020 - ACS Publications
The reduction of dinitrogen to ammonia by nitrogenase reflects a complex choreography
involving two component proteins, MgATP and reductant. At center stage of this process …

Electron transfer in nitrogenase

HL Rutledge, FA Tezcan - Chemical reviews, 2020 - ACS Publications
Nitrogenase is the only enzyme capable of reducing N2 to NH3. This challenging reaction
requires the coordinated transfer of multiple electrons from the reductase, Fe-protein, to the …

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 …

The structure of vanadium nitrogenase reveals an unusual bridging ligand

D Sippel, O Einsle - Nature chemical biology, 2017 - nature.com
Nitrogenases catalyze the reduction of dinitrogen (N2) gas to ammonium at a complex
heterometallic cofactor. This most commonly occurs at the FeMo cofactor (FeMoco), a [Mo …

[HTML][HTML] Nitrogenase FeMoco investigated by spatially resolved anomalous dispersion refinement

T Spatzal, J Schlesier, EM Burger, D Sippel… - Nature …, 2016 - nature.com
Abstract The [Mo: 7Fe: 9S: C] iron-molybdenum cofactor (FeMoco) of nitrogenase is the
largest known metal cluster and catalyses the 6-electron reduction of dinitrogen to …

Serpentinization: connecting geochemistry, ancient metabolism and industrial hydrogenation

M Preiner, JC Xavier, FL Sousa, V Zimorski, A Neubeck… - Life, 2018 - mdpi.com
Rock–water–carbon interactions germane to serpentinization in hydrothermal vents have
occurred for over 4 billion years, ever since there was liquid water on Earth. Serpentinization …

Uncovering a CF3 Effect on X‐ray Absorption Energies of [Cu(CF3)4] and Related Copper Compounds by Using Resonant Diffraction Anomalous Fine Structure …

P Alayoglu, T Chang, C Yan, YS Chen… - Angewandte Chemie …, 2023 - Wiley Online Library
Understanding the electronic structures of high‐valent metal complexes aids the
advancement of metal‐catalyzed cross coupling methodologies. A prototypical complex with …

QM/MM study of the nitrogenase MoFe protein resting state: broken-symmetry states, protonation states, and QM region convergence in the FeMoco active site

B Benediktsson, R Bjornsson - Inorganic chemistry, 2017 - ACS Publications
Nitrogenase is one of the most fascinating enzymes in nature, being responsible for all
biological nitrogen reduction. Despite decades of research, it is among the enzymes in …

Metal Site-Specific Electrostatic Field Effects on a Tricopper (I) Cluster Probed by Resonant Diffraction Anomalous Fine Structure (DAFS)

P Alayoglu, T Chang, MV Lorenzo Ocampo… - Inorganic …, 2023 - ACS Publications
Studies of multinuclear metal complexes are greatly enhanced by resonant diffraction
measurements, which probe X-ray absorption profiles of crystallographically independent …

Composition Determination of Heterometallic Trinuclear Clusters via Anomalous X-ray and Neutron Diffraction

CE Juda, CE Casaday, JJ Teesdale… - Journal of the …, 2024 - ACS Publications
Anomalous X-ray diffraction (AXD) and neutron diffraction can be used to
crystallographically distinguish between metals of similar electron density. Despite the use …