Cytochromes a1PlastocyaninPyruvate SynthaseCell MembraneFerredoxinsProtein SubunitsMultiprotein ComplexesMembrane ProteinsMolecular Sequence DataKetone OxidoreductasesCytochromes fAmino Acid SequenceTungstenCytochromesMacromolecular SubstancesFerredoxin-NADP ReductaseBiliverdineBile PigmentsCytochrome c GroupElectron TransportPhycobilinsCytochrome P-450 Enzyme SystemOxidoreductasesPhotosystem I Protein ComplexOxidation-ReductionElectron Spin Resonance SpectroscopyTritrichomonasWolinellaBacterial Outer Membrane ProteinsBacterial ProteinsPhotosynthetic Reaction Center Complex ProteinsIntracellular MembranesModels, MolecularCytochrome b GroupAldehyde OxidoreductasesEscherichia coliElectrophoresis, Polyacrylamide GelSequence Homology, Amino AcidCyanobacteriaViologensProtein BindingDetergentsCytochromes c6ArchaeaProtein ConformationSulfolobusSpectrophotometryKineticsPyruvic AcidThylakoidsCytochromes cIron-Sulfur ProteinsCoenzyme AProtein Structure, TertiaryThiamine PyrophosphatePhycocyaninElectronsTetrapyrrolesTrichomonas vaginalisCytochrome b6f ComplexMembrane Transport ProteinsMembranesPyrococcus furiosusPhotosynthesisBinding SitesPhotosystem II Protein ComplexCytochromes b5Spinacia oleraceaHydrogenasePlantsProtein TransportMembrane LipidsElectron Transport Complex IVMethanosarcina barkeriAnaerobiosisEscherichia coli ProteinsBase SequenceChloroplastsQuinone ReductasesClostridiumCrystallography, X-RayCatalysisPlant ProteinsLight-Harvesting Protein ComplexesHydrogenNAD(P)H Dehydrogenase (Quinone)Substrate SpecificityMutationGiardia lambliaNADH, NADPH OxidoreductasesMolecular WeightEndoplasmic ReticulumCloning, MolecularCopperNeisseria meningitidisMembrane PotentialsCytochromes c1Mass SpectrometryArchaeal ProteinsHydrogen-Ion Concentration