title: E.P.R. spectra of iron-sulphur proteins in dimethylsulphoxide solutions: evidence that chloroplast photosystem I particles contain 4Fe-4S centres.
mesh_terms: D001665:Binding Sites; D002736:Chloroplasts / Q000032:analysis*; D004121:Dimethyl Sulfoxide; D004578:Electron Spin Resonance Spectroscopy; D007501:Iron / Q000032:analysis; D008667:Metalloproteins / Q000032:analysis; D010788:Photosynthesis; D010940:Plant Proteins / Q000032:analysis; D010944:Plants; D011485:Protein Binding; D011487:Protein Conformation; D013455:Sulfur / Q000032:analysis
chemical_list: D008667:Metalloproteins; D010940:Plant Proteins; D013455:Sulfur; D007501:Iron; D004121:Dimethyl Sulfoxide