Molecular Principles of Redox-Coupled Protonation Dynamics in Photosystem II
Friederike Allgöwer, Ana P. Gámiz‐Hernández, A. William Rutherford, Ville R. I. Kaila
Abstract
formation by a radical coupling mechanism. The proposed redox-coupled protonation mechanism shows a striking resemblance to functional motifs in other enzymes involved in biological energy conversion, with an interplay between hydration changes, ion-pair dynamics, and electric fields that modulate the catalytic barriers.
Topics & Concepts
ChemistryRedoxProtonationProton-coupled electron transferPhotosystem IIElectron transferPhotochemistryDeprotonationDissociation (chemistry)Oxygen-evolving complexProtonArtificial photosynthesisCatalysisChemical physicsIonPhotosynthesisInorganic chemistryPhysical chemistryPhotocatalysisPhysicsBiochemistryOrganic chemistryQuantum mechanicsPhotosynthetic Processes and MechanismsSpectroscopy and Quantum Chemical StudiesPhotoreceptor and optogenetics research