Second Coordination Sphere Effects on the Mechanistic Pathways for Dioxygen Activation by a Ferritin: Involvement of a Tyr Radical and the Identification of a Cation Binding Site
Sign Up to like & getrecommendations! Published in 2022 at "Chembiochem"
DOI: 10.1002/cbic.202200257
Abstract: Ferritins are ubiquitous diiron enzymes involved in iron(II) detoxification and oxidative stress responses and can act as metabolic iron stores. The overall reaction mechanisms of ferritin enzymes are still unclear, particularly concerning the role of… read more here.
Keywords: ferritin; cation binding; coordination sphere; binding site ... See more keywords
Structural changes in copper based metal-organic framework catalyst induced by organic solvents
Sign Up to like & getrecommendations! Published in 2020 at "Catalysis Today"
DOI: 10.1016/j.cattod.2019.04.031
Abstract: Abstract Metal-organic frameworks (MOFs) are an emerging class of catalysts that posess large surface area due to intrinsic porosity, and high metal loading. However, they often lack catalytic properties due to the saturated coordination sphere… read more here.
Keywords: metal; coordination sphere; changes copper; metal organic ... See more keywords
Carbonyl o-semiqunonato rhodium complexes with diphosphine ligands. Effect of diphosphine bite angle on reactivity and dynamic processes in their coordination sphere. EPR study
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Molecular Structure"
DOI: 10.1016/j.molstruc.2017.07.001
Abstract: Abstract The bite angle of chelating diphosphines is often responsible for the activity and the selectivity of rhodium catalysts based on them. The EPR study of the composition and the structure of similar complexes with… read more here.
Keywords: epr study; rhodium; rhodium complexes; coordination sphere ... See more keywords
Influence of the secondary coordination sphere on the physical properties of mononuclear copper(II) complexes and their catalytic activity on the oxidation of 3,5-di-tert-butylcatechol
Sign Up to like & getrecommendations! Published in 2018 at "Polyhedron"
DOI: 10.1016/j.poly.2017.11.020
Abstract: Abstract Three mononuclear copper(II) complexes (C1–C3) containing the ligand 2-(2-aminomethyl)pyridine (aep) and some modifications of it were designed to get insights on the influence of pendant second sphere groups (thiophene and benzene) on their physicochemical… read more here.
Keywords: copper complexes; tert butylcatechol; copper; coordination sphere ... See more keywords
Differences in the Second Coordination Sphere Tailor the Substrate Specificity and Reactivity of Thiol Dioxygenases.
Sign Up to like & getrecommendations! Published in 2022 at "Accounts of chemical research"
DOI: 10.1021/acs.accounts.2c00359
Abstract: ConspectusIn recent years, considerable progress has been made toward elucidating the geometric and electronic structures of thiol dioxygenases (TDOs). TDOs catalyze the conversion of substrates with a sulfhydryl group to their sulfinic acid derivatives via… read more here.
Keywords: thiol dioxygenases; coordination; cys; coordination sphere ... See more keywords
Designing Artificial Metalloenzymes by Tuning of the Environment beyond the Primary Coordination Sphere.
Sign Up to like & getrecommendations! Published in 2022 at "Chemical reviews"
DOI: 10.1021/acs.chemrev.2c00106
Abstract: Metalloenzymes catalyze a variety of reactions using a limited number of natural amino acids and metallocofactors. Therefore, the environment beyond the primary coordination sphere must play an important role in both conferring and tuning their… read more here.
Keywords: designing artificial; coordination; coordination sphere; primary coordination ... See more keywords
The Impact of Second Coordination Sphere Methionine-Aromatic Interactions in Copper Proteins.
Sign Up to like & getrecommendations! Published in 2022 at "Inorganic chemistry"
DOI: 10.1021/acs.inorgchem.2c00030
Abstract: The interplay between the primary and secondary coordination spheres in biological metal sites plays an essential role in controlling their properties. Some of the clearest examples of this are from copper sites in blue and… read more here.
Keywords: copper; impact second; coordination; coordination sphere ... See more keywords
Secondary Coordination Sphere Alkylation Promotes Cyclometalation.
Sign Up to like & getrecommendations! Published in 2023 at "Inorganic chemistry"
DOI: 10.1021/acs.inorgchem.3c00427
Abstract: Diphosphines have taken on a dominant role as supporting ligands in transition-metal chemistry. Here, we describe complexes of the type [Cp*Fe(diphosphine)(X)] (X = Cl, H) where for diphosphine = 1,2-bis(di-allylphosphino)ethane (tape), a Lewis-acidic secondary coordination… read more here.
Keywords: secondary coordination; chemistry; coordination sphere; cyclometalation ... See more keywords
Uncoupled Redox-Inactive Lewis Acids in the Secondary Coordination Sphere Entice Ligand-Based Nitrite Reduction.
Sign Up to like & getrecommendations! Published in 2018 at "Inorganic chemistry"
DOI: 10.1021/acs.inorgchem.8b00032
Abstract: Metal complexes composed of redox-active pyridinediimine (PDI) ligands are capable of forming ligand-centered radicals. In this Forum article, we demonstrate that integration of these types of redox-active sites with bioinspired secondary coordination sphere motifs produce… read more here.
Keywords: coordination sphere; ligand based; secondary coordination; redox inactive ... See more keywords
Secondary Coordination Sphere Design to Modify Transport of Protons and CO2.
Sign Up to like & getrecommendations! Published in 2019 at "Inorganic chemistry"
DOI: 10.1021/acs.inorgchem.9b03102
Abstract: An exploration of secondary coordination sphere (SCS) functional groups is presented with a focus on proton transport to a metal hydride active site for H2 formation and transport of CO2 so that formate can be… read more here.
Keywords: transport; mecn h2o; coordination sphere; scs ... See more keywords
Analysis of the First Ion Coordination Sphere: A Toolkit to Analyze the Coordination Sphere of Ions
Sign Up to like & getrecommendations! Published in 2023 at "Journal of chemical information and modeling"
DOI: 10.1021/acs.jcim.3c00294
Abstract: Rapid and accurate approaches to characterizing the coordination structure of an ion are important for designing ligands and quantifying structure-property trends. Here, we introduce AFICS (Analysis of the First Ion Coordination Sphere), a tool written… read more here.
Keywords: first ion; coordination; coordination sphere; analysis first ... See more keywords