title: Proteins and enzymes as taxonomic tools.
mesh_terms: D001419:Bacteria / Q000145:classification*; D001426:Bacterial Proteins / Q000032:analysis; D004586:Electrophoresis; D004798:Enzymes / Q000032:analysis; D056890:Eukaryota / Q000145:classification*; D005658:Fungi / Q000145:classification*; D007527:Isoenzymes / Q000032:analysis; D011506:Proteins / Q000032:analysis
chemical_list: D001426:Bacterial Proteins; D004798:Enzymes; D007527:Isoenzymes; D011506:Proteins