Mechanism of Assembly of the Tyrosyl Radical-Dinuclear Iron Cluster Cofactor of Ribonucleotide Reductase

DOI: 10.1126/science.1650033 Authors: J. Martin Bollinger, Dale E. Edmondson, B.H. Huynh, Jonathan Filley, Jack R. Norton, J. Stubbe Abstract: Incubation of the apoB2 subunit of Escherichia coli ribonucleotide reductase with Fe2+ and O2 produces native B2, which...

Structure-function relations in water-oxidizing cobalt oxides investigated by X-ray absorption spectroscopy

DOI: 10.17169/refubium-4900 Authors: Marcel Risch Abstract: The sustainable, large-scale extraction of protons from water for dihydrogen as a fuel requires utilization of efficient catalysts for (i) water oxidation and (ii) hydrogen formation that are based on...

Spectroscopic characterization of the water-oxidation intermediates in the Ru-based catalysts for artificial photosynthesis

DOI: OA:W1542759349 Authors: Dooshaye Moonshiram Abstract: Utilization of sunlight requires solar capture, light-to-energy conversion and storage. One effective way to store energy is to convert it into chemical energy by fuel-forming reactions, such as water...

Structural and Mechanistic Studies of Iron Containing Proteins

DOI: OA:W2102700440 Authors: Filipe Folgosa Abstract: Dissertação apresentada para obtenção do Grau de Doutor em Bioquímica, ramo de Bioquímica-Física, pela Universidade Nova de Lisboa, Faculdade de Ciências e Tecnologia

Mechanism of Catalytic Water Oxidation by the Ruthenium Blue Dimer Catalyst: Comparative Study in D2O versus H2O

DOI: 10.17615/xs2d-8p94 Authors: Javier J. Concepcion, Dooshaye Moonshiram, Thomas J. Meyer, Vatsal Purohit, Yulia Pushkar Abstract: Water oxidation is critically important for the development of energy solutions based on the concept of artificial photosynthesis. In...

Spectroscopic Studies of Activation of Dehaloperoxidase by Hydrogen Peroxide

DOI: OA:W2513882390 Authors: Zao Wang Abstract: ABSTRACTnnZAO ,WANG. Spectroscopic Studies of Activation of Dehaloperoxidase by Hydrogen Peroxide. ( Under the direction of Tatyana I. Smirnova and Stefan Franzen.)nnnThe focus of this research is to use stopped-flow...

Experimental demonstration of radicaloid character in a RuV=O intermediate in catalytic water oxidation

DOI: 10.17615/sd6b-fv42 Authors: T. J. Meyer, J. J. Concepcion, I. Alperovich, Y. Pushkar, D. Moonshiram Abstract: Water oxidation is the key half reaction in artificial photosynthesis. An absence of detailed mechanistic insight impedes design of new catalysts that...

Unraveling the Multiple Enzymatic Activities of the Dehaloperoxidase-Hemoglobin from Amphitrite ornata.

DOI: OA:W2740381046 Authors: Nikolette L. McCombs Abstract: I would like to express my gratitude towards my father for his continued support in many different ways throughout this endeavor and for his unconditional love.To my mother who is more proud of me than...

Performance Comparison of Different Rapid Freeze–Quench Strategies for Electron Paramagnetic Resonance

DOI: 10.1007/s00723-024-01725-0 Authors: Maruan Bracci, Ilenia Serra, Inés García‐Rubio, Sabine Van Doorslaer Abstract: N/A

Reduction of ferric haemoproteins by tetrahydropterins: a kinetic study

DOI: 10.1042/bj20050437 Authors: Chantal Capeillère‐Blandin, Delphine Mathieu, Daniel Mansuy Abstract: We previously showed that one-electron transfer from tetrahydropterins to iron porphyrins is a very general reaction, with formation of an intermediate cation...