title: Photoreduction of membrane-bound paramagnetic component X by water as electron donor.
mesh_terms: D002462:Cell Membrane / Q000378:metabolism; D002736:Chloroplasts / Q000378:metabolism*; D004578:Electron Spin Resonance Spectroscopy; D004579:Electron Transport; D008027:Light; D010084:Oxidation-Reduction; D010788:Photosynthesis; D010944:Plants; D014867:Water / Q000378:metabolism
chemical_list: D014867:Water