title: A peptide mapping technique--a three map system.
mesh_terms: D002854:Chromatography, Paper / Q000379:methods; D004590:Electrophoresis, Paper / Q000379:methods; D010446:Peptide Fragments / Q000032:analysis*; D011506:Proteins / Q000032:analysis*; D013820:Thermolysin
chemical_list: D010446:Peptide Fragments; D011506:Proteins; D013820:Thermolysin