title: Pheophytins and the photosynthetic reaction center.
mesh_terms: D001419:Bacteria / Q000378:metabolism; D002734:Chlorophyll / Q000031:analogs & derivatives; D008027:Light; D010674:Pheophytins / Q000378:metabolism; D010777:Photochemistry; D010788:Photosynthesis; D012242:Rhodobacter sphaeroides / Q000378:metabolism
chemical_list: D010674:Pheophytins; D002734:Chlorophyll