ChlorobiumChlorobiBacteriochlorophyllsRhodospirillalesPhotosynthetic Reaction Center Complex ProteinsBacteriaLevulinic AcidsRhodospirillaceaeSulfurATP Citrate (pro-S)-LyaseLight-Harvesting Protein ComplexesThiosulfatesBacterial ProteinsPhotochemistryPhotosynthesisEnergy TransferSulfidesCytochrome c GroupSpectrophotometryGenes, BacterialMolecular Sequence DataSpectrum AnalysisAmino Acid Sequence