X-Ray DiffractionMicroscopyElectronsMicroscopy, ElectronCrystallographyMicroscopy, Electron, TransmissionCrystallizationCryoultramicrotomyMicroscopy, Electron, Scanning TransmissionIodine CompoundsBacteriorhodopsinsHalobacteriumMicroscopy, Electron, ScanningCryoelectron MicroscopyElectron TransportMolecular ConformationProtein ConformationSpectroscopy, Fourier Transform InfraredNeutron DiffractionCrystallography, X-RaySynaptic TransmissionMicroscopy, ConfocalPowder DiffractionMicroscopy, FluorescenceElectron Spin Resonance SpectroscopyMicroscopy, Atomic ForceSynchrotronsDisease Transmission, InfectiousMicroscopy, ImmunoelectronModels, MolecularInfectious Disease Transmission, VerticalElectron Probe MicroanalysisMolecular Sequence DataOxidation-ReductionScattering, RadiationCalorimetry, Differential ScanningMicroscopy, PolarizationAmino Acid SequenceWaterMicroscopy, Phase-ContrastParticle SizeTime FactorsBacterial ProteinsTemperatureNeutronsKineticsMolecular StructureCell MembraneMicroscopy, Fluorescence, MultiphotonSurface PropertiesEscherichia coliMicroscopy, Scanning TunnelingFreeze FracturingBiophysicsElectron Transport Complex IVMicroscopy, InterferenceLightBiophysical PhenomenaStaining and LabelingCattleX-RaysOptics and PhotonicsElectron Transport Complex IIIFourier AnalysisLasersModels, BiologicalSpectrum AnalysisRabbitsMicroscopy, VideoProtein BindingModels, ChemicalSelenomethionineProtein Structure, TertiaryBinding Sites