title: Chlorophyll function in the photosynthetic reaction center.
mesh_terms: D001665:Binding Sites; D055598:Chemical Phenomena; D002627:Chemistry, Physical; D002734:Chlorophyll / Q000502:physiology*; D004578:Electron Spin Resonance Spectroscopy; D046911:Macromolecular Substances; D010788:Photosynthesis; D011166:Porphyrins; D011487:Protein Conformation; D013329:Structure-Activity Relationship; D014867:Water
chemical_list: D046911:Macromolecular Substances; D011166:Porphyrins; D014867:Water; D002734:Chlorophyll