title: Difficulties encountered with an ultrafiltration method for measuring the binding of ligands to protein.
mesh_terms: D001221:Aspartate Carbamoyltransferase; D001224:Aspartic Acid; D002247:Carbon Isotopes; D007292:Inosine Nucleotides; D008024:Ligands; D046911:Macromolecular Substances; D008722:Methods; D008851:Micropore Filters; D011485:Protein Binding; D014462:Ultrafiltration
chemical_list: D002247:Carbon Isotopes; D007292:Inosine Nucleotides; D008024:Ligands; D046911:Macromolecular Substances; D001224:Aspartic Acid; D001221:Aspartate Carbamoyltransferase