Search Results - "Murgida, Daniel"

Multifunctional Cytochrome c: Learning New Tricks from an Old Dog by Alvarez-Paggi, Damián, Hannibal, Luciana, Castro, María A, Oviedo-Rouco, Santiago, Demicheli, Veronica, Tórtora, Veronica, Tomasina, Florencia, Radi, Rafael, Murgida, Daniel H

“…Cytochrome c (cyt c) is a small soluble heme protein characterized by a relatively flexible structure, particularly in the ferric form, such that it is able to…”
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Alternative Conformations of Cytochrome c: Structure, Function, and Detection by Hannibal, Luciana, Tomasina, Florencia, Capdevila, Daiana A, Demicheli, Verónica, Tórtora, Verónica, Alvarez-Paggi, Damián, Jemmerson, Ronald, Murgida, Daniel H, Radi, Rafael

“…Cytochrome c (cyt c) is a cationic hemoprotein of ∼100 amino acid residues that exhibits exceptional functional versatility. While its primary function is…”
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In Situ Spectroelectrochemical Investigations of Electrode-Confined Electron-Transferring Proteins and Redox Enzymes by Murgida, Daniel H

“…This perspective analyzes recent advances in the spectroelectrochemical investigation of redox proteins and enzymes immobilized on biocompatible or biomimetic…”
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Electrochemical Actuation of a DyP Peroxidase: A Facile Method for Drastic Improvement of the Catalytic Performance by Scocozza, Magalí F., Vieyra, Francisco, Battaglini, Fernando, Martins, Ligia O., Murgida, Daniel H.

“…Dye decolorizing peroxidases (DyP) have attracted interest for applications such as dye-containing wastewater remediation and biomass processing. So far,…”
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Disentangling interfacial redox processes of proteins by SERR spectroscopy by Murgida, Daniel H, Hildebrandt, Peter

“…Surface-enhanced resonance-Raman spectroelectrochemistry represents a powerful approach for studying the structure and reaction dynamics of redox proteins…”
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Determination of the Local Electric Field at Au/SAM Interfaces Using the Vibrational Stark Effect by Staffa, Jana K, Lorenz, Lisa, Stolarski, Michael, Murgida, Daniel H, Zebger, Ingo, Utesch, Tillmann, Kozuch, Jacek, Hildebrandt, Peter

“…A comprehensive understanding of physical and chemical processes at biological membranes requires the knowledge of the interfacial electric field which is a…”
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Autocatalytic Mechanism in the Anaerobic Reduction of Metmyoglobin by Sulfide Species by Palermo, Juan Cruz, Carllinni Colombo, Melisa, Semelak, Jonathan A., Scocozza, Magalí F., Boubeta, Fernando M., Murgida, Daniel H., Estrin, Darío A., Bari, Sara E.

“…The mechanism of the metal centered reduction of metmyoglobin (MbFeIII) by sulfide species (H2S/HS–) under an argon atmosphere has been studied by a…”
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Direct Electrochemical Generation of Catalytically Competent Oxyferryl Species of Classes I and P Dye Decolorizing Peroxidases by Scocozza, Magalí F, Martins, Lígia O, Murgida, Daniel H

“…This work introduces a novel way to obtain catalytically competent oxyferryl species for two different dye-decolorizing peroxidases (DyPs) in the absence of H…”
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Electron-Transfer Processes of Cytochrome c at Interfaces. New Insights by Surface-Enhanced Resonance Raman Spectroscopy by Murgida, Daniel H, Hildebrandt, Peter

“…The heme protein cytochrome c acts as an electron carrier at the mitochondrial-membrane interface and thus exerts its function under the influence of strong…”
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Reduction of metmyoglobin by inorganic disulfide species by Palermo, Juan Cruz, Carllinni Colombo, Melisa, Scocozza, Magalí F., Murgida, Daniel H., Estrin, Darío A., Bari, Sara E.

“…The mechanism of the metal centered reduction of metmyoglobin (MbFeIII) by inorganic disulfide species has been studied by combined spectroscopic and kinetic…”
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Correlated electric field modulation of electron transfer parameters and the access to alternative conformations of multifunctional cytochrome c by Oviedo-Rouco, Santiago, Spedalieri, Cecilia, Scocozza, Magalí F., Tomasina, Florencia, Tórtora, Verónica, Radi, Rafael, Murgida, Daniel H.

“…•Electric fields modulate cytochrome c electron transfer and conformational dynamics.•Kinetic electron transfer and conformational parameters of Cyt c are…”
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Dynamical effects in metalloprotein heterogeneous electron transfer by Zitare, Ulises A., Szuster, Jonathan, Santalla, María C., Morgada, Marcos N., Vila, Alejandro J., Murgida, Daniel H.

“…In this work we assess the influence of physiological viscosities on metalloprotein electron transfer reactions. To that end we investigated the direct…”
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Manganese porphyrin redox state in endothelial cells: Resonance Raman studies and implications for antioxidant protection towards peroxynitrite by Carballal, Sebastián, Valez, Valeria, Alvarez-Paggi, Damián, Tovmasyan, Artak, Batinic-Haberle, Ines, Ferrer-Sueta, Gerardo, Murgida, Daniel H., Radi, Rafael

“…Cationic manganese(III) ortho N-substituted pyridylporphyrins (MnP) act as efficient antioxidants catalyzing superoxide dismutation and accelerating…”
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Active Site Structure and Peroxidase Activity of Oxidatively Modified Cytochrome c Species in Complexes with Cardiolipin by Capdevila, Daiana A, Oviedo Rouco, Santiago, Tomasina, Florencia, Tortora, Verónica, Demicheli, Verónica, Radi, Rafael, Murgida, Daniel H

“…We report a resonance Raman and UV–vis characterization of the active site structure of oxidatively modified forms of cytochrome c (Cyt-c) free in solution and…”
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Electron transfer and conformational transitions of cytochrome c are modulated by the same dynamical features by Oviedo-Rouco, Santiago, Perez-Bertoldi, Juan Manuel, Spedalieri, Celicia, Castro, María A., Tomasina, Florencia, Tortora, Verónica, Radi, Rafael, Murgida, Daniel H.

“…Cytochrome c is a prototypical multifunctional protein that is implicated in a variety of processes that are essential both for sustaining and for terminating…”
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The role of protein dynamics and thermal fluctuations in regulating cytochrome c/cytochrome c oxidase electron transfer by Alvarez-Paggi, Damian, Zitare, Ulises, Murgida, Daniel H.

“…In this overview we present recent combined electrochemical, spectroelectrochemical, spectroscopic and computational studies from our group on the electron…”
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Mutational Analysis of Deinococcus radiodurans Bacteriophytochrome Reveals Key Amino Acids Necessary for the Photochromicity and Proton Exchange Cycle of Phytochromes by Wagner, Jeremiah R., Zhang, Junrui, von Stetten, David, Günther, Mina, Murgida, Daniel H., Mroginski, Maria Andrea, Walker, Joseph M., Forest, Katrina T., Hildebrandt, Peter, Vierstra, Richard D.

“…The ability of phytochromes (Phy) to act as photointerconvertible light switches in plants and microorganisms depends on key interactions between the bilin…”
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The Chromophore Structural Changes during the Photocycle of Phytochrome:  A Combined Resonance Raman and Quantum Chemical Approach by Mroginski, Maria Andrea, Murgida, Daniel H, Hildebrandt, Peter

“…Phytochromes are sensory photoreceptors that, upon light irradiation, can be transformed between an inactive and an active state. The conversion is initiated…”
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Electrochemical characterization of an engineered red copper protein featuring an unprecedented entropic control of the reduction potential by Szuster, Jonathan, Leguto, Alcides J., Zitare, Ulises A., Rebechi, Juan P., Vila, Alejandro J., Murgida, Daniel H.

“…•Ligand loop replacement of a CuA site leads to a T2-like mononuclear copper protein.•The T2 chimera is the first Cu site with entropically controlled redox…”
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Self-Assembled Monolayers of NH2-Terminated Thiolates: Order, pKa, and Specific Adsorption by MARMISOLLE, Waldemar A, CAPDEVILA, Daiana A, DE LA LLAVE, Ezequiel, WILLIAMS, Federico J, MURGIDA, Daniel H

“…Self-assembled monolayers (SAMs) of amino-terminated alkanethiols on Au were characterized by a combination of electrochemical (LSV, CV, and EIS) and…”
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