Photosynthetic Reaction Center Complex ProteinsRhodobacter sphaeroidesRhodopseudomonasPheophytinsElectron TransportBacteriochlorophyllsLight-Harvesting Protein ComplexesPhotosynthesisCytochromes c2ChlorobiQuinonesRhodobacterLightPhotosystem II Protein ComplexChlorophyllProteobacteriaAcidiphiliumHyphomicrobiaceaeElectronsPhotochemistryBacterial ChromatophoresOxidation-ReductionPhotosystem I Protein ComplexChlorobiumUbiquinoneEuglenaNonheme Iron ProteinsRhodospirillaceaeSpectrophotometryCyanobacteriaDiuronSpectrum AnalysisBacterial ProteinsBacteriochlorophyll AProtonsChromatiaceaeKineticsRhodobacter capsulatusCytochrome c GroupRhodovulumElectrochemistryModels, MolecularChromatiumProtein ConformationEnergy TransferThermodynamicsElectron Spin Resonance SpectroscopyIron-Sulfur ProteinsModels, ChemicalCytochromesStatic ElectricityBenzoquinonesMolecular Sequence DataAmino Acid SequenceCrystallography, X-RayHydrogen BondingHemeBacteriaBinding SitesMutagenesis, Site-DirectedDimethylaminesChloroplastsTemperatureWaterModels, TheoreticalSpinacia oleraceaMolecular StructureHydrogen-Ion ConcentrationGenes, BacterialMembrane ProteinsMacromolecular SubstancesThylakoidsTime FactorsComputer SimulationBase SequenceSequence Homology, Amino AcidModels, BiologicalPhylogenyPlastoquinonePigments, BiologicalChlamydomonas reinhardtiiRhodospirillum rubrumSynechocystisMutationDarknessPlantsPlant ProteinsCarotenoidsHerbicidesPhycobilisomesCytochrome b Group