Microscopy, ElectronMicroscopy, Electron, ScanningMicroscopyElectronsElectron TransportMicroscopy, Electron, TransmissionMicroscopy, ConfocalMicroscopy, FluorescenceMicroscopy, Atomic ForceMicroscopy, ImmunoelectronElectron Spin Resonance SpectroscopyMicroscopy, Electron, Scanning TransmissionCryoelectron MicroscopyMicroscopy, Fluorescence, MultiphotonMicroscopy, Scanning TunnelingModels, MolecularOxidation-ReductionMicroscopy, VideoMicroscopy, Phase-ContrastElectron Probe MicroanalysisMicroscopy, PolarizationMicroscopy, InterferenceProtein ConformationMolecular Sequence DataSpectrometry, Mass, Fast Atom BombardmentKineticsCell MembraneStaining and LabelingAmino Acid SequenceMicroscopy, Scanning ProbeX-Ray DiffractionMolecular StructureCrystallography, X-RayModels, ChemicalElectron Transport Complex IVBinding SitesMolecular ConformationSurface PropertiesFreeze FracturingProtein BindingFluorescent DyesElectron Transport Complex IIIHydrogenFluorescent Antibody TechniqueMagnetic Resonance SpectroscopyBacterial ProteinsEscherichia coliWaterTime FactorsSpectrum AnalysisCells, CulturedSpectrophotometryHydrogen-Ion ConcentrationCattleCell LineHistocytochemistryRabbitsImmunohistochemistryOxygenTemperatureGoldSulfurOxidoreductasesCrystallizationCytoplasmHydrogen BondingImage Processing, Computer-AssistedMitochondriaMicroscopy, AcousticParticle SizeNegative StainingFerredoxinsIronMutationMass SpectrometryMicrotomyImaging, Three-DimensionalProteinsLightElectrochemistryProtein Structure, TertiaryMembrane ProteinsThermodynamicsModels, BiologicalMicroscopy, Energy-Filtering Transmission ElectronMolecular WeightCopperCytochrome c GroupGreen Fluorescent ProteinsCell NucleusMacromolecular SubstancesCytoplasmic GranulesFreeze EtchingHistological TechniquesStructure-Activity RelationshipHemeSpectrum Analysis, RamanNanotechnologyEpitheliumPhotosynthesis