[HTML][HTML] Involvement of high-valent manganese-oxo intermediates in oxidation reactions: realisation in nature, nano and molecular systems
Manganese plays multiple role in many biological redox reactions in which it exists in
different oxidation states from Mn (II) to Mn (IV). Among them the high-valent manganese …
different oxidation states from Mn (II) to Mn (IV). Among them the high-valent manganese …
Solving a new R2lox protein structure by microcrystal electron diffraction
Microcrystal electron diffraction (MicroED) has recently shown potential for structural biology.
It enables the study of biomolecules from micrometer-sized 3D crystals that are too small to …
It enables the study of biomolecules from micrometer-sized 3D crystals that are too small to …
Self-sacrificial tyrosine cleavage by an Fe:Mn oxygenase for the biosynthesis of para-aminobenzoate in Chlamydia trachomatis
OM Manley, HN Phan, AK Stewart… - Proceedings of the …, 2022 - National Acad Sciences
Chlamydia protein associating with death domains (CADD) is involved in the biosynthesis of
para-aminobenzoate (pABA), an essential component of the folate cofactor that is required …
para-aminobenzoate (pABA), an essential component of the folate cofactor that is required …
Orientational Jahn–teller isomerism in the dark‐stable state of Nature's water oxidase
M Drosou, G Zahariou, DA Pantazis - Angewandte Chemie, 2021 - Wiley Online Library
The tetramanganese–calcium cluster of the oxygen‐evolving complex of photosystem II
adopts electronically and magnetically distinct but interconvertible valence isomeric forms in …
adopts electronically and magnetically distinct but interconvertible valence isomeric forms in …
The first state in the catalytic cycle of the water-oxidizing enzyme: identification of a water-derived μ-hydroxo bridge
T Lohmiller, V Krewald, A Sedoud… - Journal of the …, 2017 - ACS Publications
Nature's water-splitting catalyst, an oxygen-bridged tetramanganese calcium (Mn4O5Ca)
complex, sequentially activates two substrate water molecules generating molecular O2. Its …
complex, sequentially activates two substrate water molecules generating molecular O2. Its …
Site-Differentiated MnIIFeII Complex Reproducing the Selective Assembly of Biological Heterobimetallic Mn/Fe Cofactors
Class Ic ribonucleotide reductases (RNRIc) and R2-like ligand-binding oxidases (R2lox) are
known to contain heterobimetallic MnIIFeII cofactors. How these enzymes assemble MnIIFeII …
known to contain heterobimetallic MnIIFeII cofactors. How these enzymes assemble MnIIFeII …
Pulsed Multifrequency Electron Paramagnetic Resonance Spectroscopy Reveals Key Branch Points for One-vs Two-Electron Reactivity in Mn/Fe Proteins
EC Kisgeropoulos, YJ Gan, SM Greer… - Journal of the …, 2022 - ACS Publications
Traditionally, the ferritin-like superfamily of proteins was thought to exclusively use a diiron
active site in catalyzing a diverse array of oxygen-dependent reactions. In recent years …
active site in catalyzing a diverse array of oxygen-dependent reactions. In recent years …
[HTML][HTML] Characterization and Preliminary Application of a Novel Lipoxygenase from Enterovibrio norvegicus
Lipoxygenases have proven to be a potential biocatalyst for various industrial applications.
However, low catalytic activity, low thermostability, and narrow range of pH stability largely …
However, low catalytic activity, low thermostability, and narrow range of pH stability largely …
Key structural motifs balance metal binding and oxidative reactivity in a heterobimetallic Mn/Fe protein
EC Kisgeropoulos, JJ Griese, ZR Smith… - Journal of the …, 2020 - ACS Publications
Heterobimetallic Mn/Fe proteins represent a new cofactor paradigm in bioinorganic
chemistry and pose countless outstanding questions. The assembly of the active site defies …
chemistry and pose countless outstanding questions. The assembly of the active site defies …
[HTML][HTML] Structural basis for oxygen activation at a heterodinuclear manganese/iron cofactor
JJ Griese, R Kositzki, P Schrapers, RMM Branca… - Journal of Biological …, 2015 - ASBMB
Two recently discovered groups of prokaryotic di-metal carboxylate proteins harbor a
heterodinuclear Mn/Fe cofactor. These are the class Ic ribonucleotide reductase R2 proteins …
heterodinuclear Mn/Fe cofactor. These are the class Ic ribonucleotide reductase R2 proteins …