Photosynthetic Reaction Center Complex ProteinsPhotosynthesisRhodobacter sphaeroidesLight-Harvesting Protein ComplexesBacteriochlorophyllsPhotosystem II Protein ComplexChlorophyllThylakoidsRhodopseudomonasBacterial ChromatophoresRhodospirillumPheophytinsRhodobacterLightIntracellular MembranesMembranesPhotosystem I Protein ComplexChloroplastsRhodospirillaceaeElectron TransportBacteriochlorophyll ACell MembraneCyanobacteriaSpinacia oleraceaMembrane LipidsChromatiaceaeGalactolipidsEnergy TransferRhodospirillum rubrumPigments, BiologicalCarotenoidsBacterial ProteinsPhycobilisomesSpectrum AnalysisChromatophoresPhototrophic ProcessesPlant ProteinsPorphyridiumQuinonesPlantsMembrane PotentialsCytochromes c2Oxidation-ReductionCytochrome b6f ComplexPhotochemistrySpectrophotometryMembranes, ArtificialChlamydomonas reinhardtiiDimethylaminesMolecular Sequence DataSynechocystisOptical ProcessesChlorobiKineticsModels, MolecularDarknessFreeze FracturingMicroscopy, ElectronMicroscopy, Atomic ForceSpectrometry, FluorescenceAmino Acid SequenceMutationUbiquinoneErythrocyte MembraneMembrane FluidityXanthophyllsProtein ConformationDiuronModels, BiologicalElectronsElectrophoresis, Polyacrylamide GelAerobiosisCell Membrane PermeabilityElectron Spin Resonance SpectroscopyRhodobacter capsulatusBasement MembraneArabidopsisGlycolipidsPlastoquinoneProteobacteriaMembrane ProteinsDetergentsSequence Homology, Amino AcidModels, ChemicalTemperatureProtonsPlastidsCytochrome c GroupElectrochemistryChlorobiumThermodynamicsLipidsLipid BilayersBinding SitesLiposomesHydrogen-Ion ConcentrationMembrane Transport ProteinsBenzoquinonesFluorescenceMass Spectrometry