Catalytic Reactions and Energy Conservation in the Cytochrome bc1 and b6f Complexes of Energy-Transducing Membranes

M Sarewicz, S Pintscher, R Pietras, A Borek… - Chemical …, 2021 - ACS Publications
This review focuses on key components of respiratory and photosynthetic energy-
transduction systems: the cytochrome bc 1 and b 6 f (Cyt bc 1/b 6 f) membranous …

Structure–function of the cytochrome b6f lipoprotein complex: a scientific odyssey and personal perspective

WA Cramer - Photosynthesis research, 2019 - Springer
Abstract Structure–function studies of the cytochrome b 6 f complex, the central hetero-
oligomeric membrane protein complex in the electron transport chain of oxygenic …

Delineating redox cooperativity in water‐soluble and membrane multiheme cytochromes through protein design

BJ Hardy, P Dubiel, EL Bungay, M Rudin… - Protein …, 2024 - Wiley Online Library
Nature has evolved diverse electron transport proteins and multiprotein assemblies
essential to the generation and transduction of biological energy. However, substantially …

Monitoring the Transmembrane Proton Gradient Generated by Cytochrome bo3 in Tethered Bilayer Lipid Membranes Using SEIRA Spectroscopy

S Wiebalck, J Kozuch, E Forbrig… - The Journal of …, 2016 - ACS Publications
Membrane proteins act as biocatalysts or ion/proton pumps to convert and store energy from
ubiquitous environmental sources. Interfacing these proteins to electrodes allows utilizing …

Unexpected Heme Redox Potential Values Implicate an Uphill Step in Cytochrome b6f

M Szwalec, Ł Bujnowicz, M Sarewicz… - The Journal of Physical …, 2022 - ACS Publications
Cytochromes bc, key enzymes of respiration and photosynthesis, contain a highly conserved
two-heme motif supporting cross-membrane electron transport (ET) that connects the two …

Structure-Function of the Cytochrome b 6 f Lipoprotein Complex

WA Cramer, SS Hasan - Cytochrome complexes: evolution, structures …, 2016 - Springer
The cytochrome b 6 f complex (f, derived from “leaf” in Latin,“folium,” or French,“feuille”, see
DS Bendall, this volume) is responsible for the proton-coupled electron transfer reactions …

Traffic within the cytochrome b6f lipoprotein complex: gating of the quinone portal

SS Hasan, EA Proctor, E Yamashita, NV Dokholyan… - Biophysical journal, 2014 - cell.com
The cytochrome bc complexes b 6 f and bc 1 catalyze proton-coupled quinol/quinone redox
reactions to generate a transmembrane proton electrochemical gradient. Quinol oxidation …

Structural and functional contributions of lipids to the stability and activity of the photosynthetic cytochrome b6f lipoprotein complex

S Bhaduri, H Zhang, S Erramilli, WA Cramer - Journal of Biological …, 2019 - ASBMB
The photosynthetic cytochrome b 6 f complex, a homodimer containing eight distinct
subunits and 26 transmembrane helices per monomer, catalyzes proton-coupled electron …

Pathways of Transmembrane Electron Transfer in Cytochrome bc Complexes: Dielectric Heterogeneity and Interheme Coulombic Interactions

S Bhaduri, V Stadnytskyi, SD Zakharov… - The Journal of …, 2017 - ACS Publications
The intramembrane cytochrome bc 1 complex of the photosynthetic bacterium Rhodobacter
capsulatus and the cytochrome b 6 f complex, which functions in oxygenic photosynthesis …

Atomistic Modeling of Triplet–Triplet Energy-Transfer Rates from Drug (S)-Propranolol to (R)-Cinacalcet in Human α1-Acid Glycoprotein

Y Si, B Yang, H Qin, J Yuan, S Wang… - The Journal of …, 2015 - ACS Publications
Triplet–triplet energy transfer (TTET) is one of the potential approaches to detect drug–drug
interactions in protein environments. Here, quantum mechanism/molecular mechanics …