[HTML][HTML] Partition, orientation and mobility of ubiquinones in a lipid bilayer

VV Galassi, GM Arantes - Biochimica et Biophysica Acta (BBA) …, 2015 - Elsevier
Ubiquinone is the universal mobile charge carrier involved in biological electron transfer
processes. Its redox properties and biological function depend on the molecular partition …

Atomistic simulations indicate cardiolipin to have an integral role in the structure of the cytochrome bc1 complex

S Pöyry, PA Postila, O Cramariuc, K Kaszuba… - Biophysical …, 2013 - cell.com
The reaction mechanism of the cytochrome bc1 (cyt bc1) complex relies on proton and
electron transfers to/from substrate quinone/quinol, which in turn generates a proton …

[HTML][HTML] Duplications of an iron–sulphur tripeptide leads to the formation of a protoferredoxin

S Scintilla, C Bonfio, L Belmonte, M Forlin… - Chemical …, 2016 - pubs.rsc.org
Based on UV-Vis, NMR, and EPR spectroscopies and DFT and molecular dynamics
calculations, a model prebiotic [2Fe–2S] tripeptide was shown to accept and donate …

Identification of Ubiquinol Binding Motifs at the Qo-Site of the Cytochrome bc1 Complex

AM Barragan, AR Crofts, K Schulten… - The Journal of …, 2015 - ACS Publications
Enzymes of the bc 1 complex family power the biosphere through their central role in
respiration and photosynthesis. These enzymes couple the oxidation of quinol molecules by …

Spontaneous Binding of Molecular Oxygen at the Qo-Site of the bc1 Complex Could Stimulate Superoxide Formation

P Husen, IA Solov'yov - Journal of the American Chemical Society, 2016 - ACS Publications
A key part of the respiratory and photosynthetic pathways is the bc 1 protein complex
embedded in the inner membrane of mitochondria and the plasma membrane of …

[HTML][HTML] Key role of water in proton transfer at the Qo-site of the cytochrome bc1 complex predicted by atomistic molecular dynamics simulations

PA Postila, K Kaszuba, M Sarewicz, A Osyczka… - … et Biophysica Acta (BBA …, 2013 - Elsevier
Cytochrome (cyt) bc1 complex, which is an integral part of the respiratory chain and related
energy-conserving systems, has two quinone-binding cavities (Qo-and Qi-sites), where the …

Ergodicity-breaking in thermal biological electron transfer? Cytochrome C Revisited

X Jiang, Z Futera, J Blumberger - The Journal of Physical …, 2019 - ACS Publications
It was recently suggested that certain redox proteins operate in an ergodicity-breaking
regime to facilitate biological electron transfer (ET). A signature for this is a large variance …

Molecular dynamics simulation of nitrobenzene dioxygenase using AMBER force field

A Pabis, I Geronimo, DM York… - Journal of Chemical …, 2014 - ACS Publications
Molecular dynamics simulation of the oxygenase component of nitrobenzene dioxygenase
(NBDO) system, a member of the naphthalene family of Rieske nonheme iron dioxygenases …

Mechanism of the Primary Charge Transfer Reaction in the Cytochrome bc1 Complex

AM Barragan, K Schulten… - The Journal of Physical …, 2016 - ACS Publications
The bc 1 complex is a critical enzyme for the ATP production in photosynthesis and cellular
respiration. Its biochemical function relies on the so-called Q-cycle, which is well established …

[HTML][HTML] A spontaneous mitonuclear epistasis converging on Rieske Fe-S protein exacerbates complex III deficiency in mice

J Purhonen, V Grigorjev, R Ekiert, N Aho… - Nature …, 2020 - nature.com
We previously observed an unexpected fivefold (35 vs. 200 days) difference in the survival
of respiratory chain complex III (CIII) deficient Bcs1l p. S78G mice between two congenic …