title: The structure of the bacterial photosynthetic unit.
mesh_terms: D001426:Bacterial Proteins / Q000302:isolation & purification; D002462:Cell Membrane / Q000032:analysis; D008565:Membrane Proteins / Q000302:isolation & purification*; D010788:Photosynthesis; D010860:Pigments, Biological / Q000302:isolation & purification*; D012241:Rhodopseudomonas / Q000032:analysis*; D013055:Spectrophotometry, Infrared
chemical_list: D001426:Bacterial Proteins; D008565:Membrane Proteins; D010860:Pigments, Biological; C026083:bacteriochlorophyll A proteins, Bacteria