title: Evidence from circular dichroism for the binding of hydrogen ions and calcium ions by poly (L-proline).
mesh_terms: D001665:Binding Sites; D002118:Calcium; D002942:Circular Dichroism; D006859:Hydrogen; D008722:Methods; D010455:Peptides; D011392:Proline; D011485:Protein Binding
chemical_list: D010455:Peptides; D006859:Hydrogen; D011392:Proline; D002118:Calcium