title: A low potential photosystem in Chromatium D.
mesh_terms: D020130:Bacterial Chromatophores / Q000378:metabolism* / Q000528:radiation effects; D002844:Chromatium / Q000166:cytology / Q000378:metabolism*; D004396:Coloring Agents; D004579:Electron Transport; D007834:Lasers; D009243:NAD / Q000378:metabolism; D010084:Oxidation-Reduction; D010788:Photosynthesis; D011830:Radiation Effects; D013816:Thermodynamics
chemical_list: D004396:Coloring Agents; D009243:NAD