title: ESR studies of copper(II) complex ions.
mesh_terms: D000596:Amino Acids; D055598:Chemical Phenomena; D002621:Chemistry; D003080:Cold Temperature; D003300:Copper; D004151:Dipeptides; D004578:Electron Spin Resonance Spectroscopy; D005998:Glycine; D006639:Histidine; D006863:Hydrogen-Ion Concentration; D008280:Magnetics; D010455:Peptides; D011199:Potentiometry; D011485:Protein Binding; D013053:Spectrophotometry; D014357:Trypsin
chemical_list: D000596:Amino Acids; D004151:Dipeptides; D010455:Peptides; D006639:Histidine; D003300:Copper; D014357:Trypsin; D005998:Glycine