title: Unfolding and refolding of Staphylococcus aureus penicillinase by urea-gradient electrophoresis.
mesh_terms: D004591:Electrophoresis, Polyacrylamide Gel; D010405:Penicillinase / Q000378:metabolism*; D011487:Protein Conformation; D011489:Protein Denaturation; D013211:Staphylococcus aureus / Q000201:enzymology*; D014508:Urea; D001618:beta-Lactamases / Q000378:metabolism*
chemical_list: D014508:Urea; D010405:Penicillinase; D001618:beta-Lactamases