title: Comparative studies on two reaction center preparations from Rhodopseudomonas speheroides Y.
mesh_terms: D001665:Binding Sites; D002458:Cell Fractionation; D002855:Chromatography, Thin Layer; D004591:Electrophoresis, Polyacrylamide Gel; D006418:Heme / Q000032:analysis; D008055:Lipids / Q000032:analysis; D008970:Molecular Weight; D010087:Oxides; D010743:Phospholipids / Q000032:analysis; D010788:Photosynthesis; D011485:Protein Binding; D000644:Quaternary Ammonium Compounds; D012242:Rhodobacter sphaeroides / Q000032:analysis / Q000166:cytology / Q000378:metabolism*; D013053:Spectrophotometry; D013056:Spectrophotometry, Ultraviolet; D013347:Subcellular Fractions / Q000032:analysis / Q000378:metabolism; D014451:Ubiquinone / Q000032:analysis; D014461:Ultracentrifugation
chemical_list: D008055:Lipids; D010087:Oxides; D010743:Phospholipids; D000644:Quaternary Ammonium Compounds; D014451:Ubiquinone; D006418:Heme