Rhodobacter capsulatusRhodobacterFerredoxinsCytochromes c2BacteriochlorophyllsMethylococcus capsulatusRhodopseudomonasPhotosynthetic Reaction Center Complex ProteinsBacterial ProteinsPhotosynthesisGenes, BacterialFerredoxin-NADP ReductaseNitrogenaseMolecular Sequence DataMolybdenumGene Expression Regulation, BacterialOxidoreductasesIron-Sulfur ProteinsRhodospirillaceaeLight-Harvesting Protein ComplexesAmino Acid SequenceBacterial ChromatophoresOperonElectron TransportOxidation-ReductionElectron Transport Complex IIITetrapyrrolesCytochrome c GroupHydrogenaseElectron Spin Resonance SpectroscopyFlavodoxinNitrogen FixationAerobiosisMethylococcaceaeSpectrophotometryBase SequenceCytochromes c1AnaerobiosisCloning, MolecularLightXanthine DehydrogenaseRestriction MappingPII Nitrogen Regulatory ProteinsGenetic Complementation TestEscherichia coliCarotenoidsCosmidsDithionitePhototrophic ProcessesTelluriumDNA, BacterialMutation