title: Cation binding by papaya mosaic virus and its protein.
mesh_terms: D001665:Binding Sites; D002118:Calcium / Q000378:metabolism*; D006859:Hydrogen / Q000378:metabolism*; D006863:Hydrogen-Ion Concentration; D008274:Magnesium / Q000378:metabolism*; D009029:Mosaic Viruses / Q000378:metabolism*; D014764:Viral Proteins / Q000378:metabolism*
chemical_list: D014764:Viral Proteins; D006859:Hydrogen; D008274:Magnesium; D002118:Calcium