Multifunctional Cytochrome c: Learning New Tricks from an Old Dog

D Alvarez-Paggi, L Hannibal, MA Castro… - Chemical …, 2017 - ACS Publications
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 sample a broad conformational …

Probing structure and reaction dynamics of proteins using time-resolved resonance Raman spectroscopy

D Buhrke, P Hildebrandt - Chemical reviews, 2019 - ACS Publications
The mechanistic understanding of protein functions requires insight into the structural and
reaction dynamics. To elucidate these processes, a variety of experimental approaches are …

Direct electron transfer of glucose oxidase and biosensing of glucose on hollow sphere-nanostructured conducting polymer/metal oxide composite

CX Guo, CM Li - Physical Chemistry Chemical Physics, 2010 - pubs.rsc.org
A hollow sphere-nanostructured conductive polymer/metal oxide composite was
synthesized and used to investigate the electrochemical behavior of glucose oxidase …

Protein–water electrostatics and principles of bioenergetics

DN LeBard, DV Matyushov - Physical Chemistry Chemical Physics, 2010 - pubs.rsc.org
Despite its diversity, life universally relies on a simple basic mechanism of energy transfer in
its energy chains—hopping electron transport between centers of electron localization on …

Spectroscopic analysis of immobilised redox enzymes under direct electrochemical control

PA Ash, KA Vincent - Chemical Communications, 2012 - pubs.rsc.org
This article reviews recent developments in spectroscopic analysis of electrode-immobilised
enzymes under direct, unmediated electrochemical control. These methods unite the suite of …

Molecular Basis of Coupled Protein and Electron Transfer Dynamics of Cytochrome c in Biomimetic Complexes

D Alvarez-Paggi, DF Martín, PM DeBiase… - Journal of the …, 2010 - ACS Publications
Direct electron transfer (ET) of redox proteins immobilized on biomimetic or biocompatible
electrodes represents an active field of fundamental and applied research. In this context …

Analyzing the catalytic processes of immobilized redox enzymes by vibrational spectroscopies

M Sezer, D Millo, IM Weidinger, I Zebger… - IUBMB …, 2012 - Wiley Online Library
Analyzing the structure and function of redox enzymes attached to electrodes is a central
challenge in many fields of fundamental and applied life science. Electrochemical …

[HTML][HTML] The role of protein dynamics and thermal fluctuations in regulating cytochrome c/cytochrome c oxidase electron transfer

D Alvarez-Paggi, U Zitare, DH Murgida - Biochimica et Biophysica Acta …, 2014 - Elsevier
In this overview we present recent combined electrochemical, spectroelectrochemical,
spectroscopic and computational studies from our group on the electron transfer reactions of …

Electric-field effects on the interfacial electron transfer and protein dynamics of cytochrome c

HK Ly, N Wisitruangsakul, M Sezer, JJ Feng… - Journal of …, 2011 - Elsevier
Time-resolved surface enhanced resonance Raman and surface enhanced infrared
absorption spectroscopy have been employed to study the interfacial redox process of …

Dynamical effects in metalloprotein heterogeneous electron transfer

UA Zitare, J Szuster, MC Santalla, MN Morgada… - Electrochimica …, 2020 - Elsevier
In this work we assess the influence of physiological viscosities on metalloprotein electron
transfer reactions. To that end we investigated the direct electrochemistry of the copper …