Cytochromes a1PlastocyaninPyruvate SynthaseCyanobacteriaFerredoxinsMembrane ProteinsKetone OxidoreductasesCytochromes fTungstenCytochromesFerredoxin-NADP ReductaseBiliverdineMolecular Sequence DataBile PigmentsPhycobilinsCytochrome c GroupAmino Acid SequenceElectron TransportPhotosystem I Protein ComplexOxidoreductasesCytochrome P-450 Enzyme SystemOxidation-ReductionBacterial ProteinsElectron Spin Resonance SpectroscopyCell MembranePhotosynthetic Reaction Center Complex ProteinsTritrichomonasWolinellaBacterial Outer Membrane ProteinsIntracellular MembranesPhycocyaninCytochrome b GroupAldehyde OxidoreductasesModels, MolecularEscherichia coliSequence Homology, Amino AcidElectrophoresis, Polyacrylamide GelViologensPhotosynthesisDetergentsCytochromes c6ArchaeaThylakoidsMultiprotein ComplexesProtein BindingPhotosystem II Protein ComplexNostocProtein ConformationSpectrophotometryTetrapyrrolesIron-Sulfur ProteinsSulfolobusKineticsPyruvic AcidCytochromes cCoenzyme AAnabaenaElectronsCytochrome b6f ComplexThiamine PyrophosphatePlantsProtein SubunitsTrichomonas vaginalisMembrane Transport ProteinsMembranesSpinacia oleraceaHydrogenasePyrococcus furiosusLight-Harvesting Protein ComplexesProtein Structure, TertiaryCytochromes b5ChloroplastsSynechocystisBinding SitesAnaerobiosisMembrane LipidsMethanosarcina barkeriProtein TransportHydrogenPlant ProteinsBase SequenceSynechococcusElectron Transport Complex IVEscherichia coli ProteinsQuinone ReductasesClostridiumNAD(P)H Dehydrogenase (Quinone)CatalysisCrystallography, X-RayGiardia lambliaChlorophyllNADH, NADPH OxidoreductasesSubstrate SpecificityMutationChlorophytaCopperMicrocystisMacromolecular SubstancesNeisseria meningitidisMolecular Weight