title: Reaction centers from Rhodopseudomonas sphaeroides.
mesh_terms: D001426:Bacterial Proteins / Q000032:analysis*; D001429:Bacteriochlorophylls / Q000032:analysis*; D002734:Chlorophyll / Q000031:analogs & derivatives*; D007501:Iron / Q000032:analysis; D010674:Pheophytins / Q000032:analysis*; D010788:Photosynthesis; D011485:Protein Binding; D012242:Rhodobacter sphaeroides / Q000032:analysis*; D013053:Spectrophotometry; D013104:Spheroplasts / Q000032:analysis; D014451:Ubiquinone / Q000032:analysis*
chemical_list: D001426:Bacterial Proteins; D001429:Bacteriochlorophylls; D010674:Pheophytins; D014451:Ubiquinone; D002734:Chlorophyll; D007501:Iron