Proton and electron transfer in bacterial reaction centers

2000/05/01 by M.Y Okamura, M. Y. Okamura, M. L. Paddock +5 · 30 citations
Biochemistry, Genetics and Molecular Biology · Chemistry · Neuroscience · #Photosynthetic Processes and Mechanisms #Photochemistry and Electron Transfer Studies #Photoreceptor and optogenetics research

paper · doi:10.1016/s0005-2728(00)00065-7

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• Soft Dynamic Confinement of Membrane Proteins by Dehydrated Trehalose Matrices: High-Field EPR and Fast-Laser Studies
• Coupling of Protonation, Reduction, and Conformational Change in azurin from Pseudomonas aeruginosa Investigated with Free Energy Measures of Cooperativity
• Factors influencing the energetics of electron and proton transfers in proteins. What can be learned from calculations
• Investigating the mechanisms of photosynthetic proteins using continuum electrostatics
• Toward theoretical analysis of long-range proton transfer kinetics in biomolecular pumps. [europepmc]
• Proton-coupled electron transfer: the mechanistic underpinning for radical transport and catalysis in biology. [europepmc]
• Factors influencing the energetics of electron and proton transfers in proteins. What can be learned from calculations. [europepmc]
• ENDOR spectroscopy reveals light induced movement of the H-bond from Ser-L223 upon forming the semiquinone (Q(B)(-)(*)) in reaction centers from Rhodobacter sphaeroides. [europepmc]
• Modification of quinone electrochemistry by the proteins in the biological electron transfer chains: examples from photosynthetic reaction centers. [europepmc]
• Functional role of coenzyme Q in the energy coupling of NADH-CoQ oxidoreductase (Complex I): stabilization of the semiquinone state with the application of inside-positive membrane potential to proteoliposomes. [europepmc]
• Identification of FTIR bands due to internal water molecules around the quinone binding sites in the reaction center from Rhodobacter sphaeroides. [europepmc]
• Mechanisms of proton transfer in proteins: localized charge transfer versus delocalized soliton transfer. [europepmc]
• Evidence from FTIR difference spectroscopy of an extensive network of hydrogen bonds near the oxygen-evolving Mn(4)Ca cluster of photosystem II involving D1-Glu65, D2-Glu312, and D1-Glu329. [europepmc]
• Possible roles of two quinone molecules in direct and indirect proton pumps of bovine heart NADH-quinone oxidoreductase (complex I). [europepmc]
• A new hypothesis on the simultaneous direct and indirect proton pump mechanisms in NADH-quinone oxidoreductase (complex I). [europepmc]
• Thermochemistry of proton-coupled electron transfer reagents and its implications. [europepmc]
• Theory of coupled electron and proton transfer reactions. [europepmc]
• Proton-coupled electron flow in protein redox machines. [europepmc]
• Participation of glutamate-354 of the CP43 polypeptide in the ligation of manganese and the binding of substrate water in photosystem II. [europepmc]
• Hydrogen bonding and spin density distribution in the Qb semiquinone of bacterial reaction centers and comparison with the Qa site. [europepmc]
• Proton coupled electron transfer and redox active tyrosines in Photosystem II. [europepmc]
• Molecular mechanisms for generating transmembrane proton gradients. [europepmc]
• Proton transfer reactions and hydrogen-bond networks in protein environments. [europepmc]
• Structure-Based Mechanism for Oxidative Decarboxylation Reactions Mediated by Amino Acids and Heme Propionates in Coproheme Decarboxylase (HemQ). [europepmc]
• Redox potentials of ubiquinone, menaquinone, phylloquinone, and plastoquinone in aqueous solution. [europepmc]
• Protein Motifs for Proton Transfers That Build the Transmembrane Proton Gradient. [europepmc]
• Mechanism of the formation of proton transfer pathways in photosynthetic reaction centers. [europepmc]
• Conformational Changes and H-Bond Rearrangements during Quinone Release in Photosystem II. [europepmc]
• Functional Water Networks in Fully Hydrated Photosystem II. [europepmc]