title: The surface localization of penicillinases in Escherichia coli and Salmonella typhimurium.
mesh_terms: D000667:Ampicillin / Q000494:pharmacology; D002499:Centrifugation, Density Gradient; D002701:Chloramphenicol / Q000494:pharmacology; D004586:Electrophoresis; D004755:Enterobacteriaceae / Q000201:enzymology; D004926:Escherichia coli / Q000201:enzymology*; D007612:Kanamycin / Q000494:pharmacology; D009708:Nucleotidases / Q000032:analysis; D009994:Osmolar Concentration; D010405:Penicillinase / Q000032:analysis*; D012486:Salmonella typhimurium / Q000201:enzymology*; D013307:Streptomycin / Q000494:pharmacology; D013449:Sulfonamides / Q000494:pharmacology
chemical_list: D013449:Sulfonamides; D007612:Kanamycin; D002701:Chloramphenicol; D000667:Ampicillin; D009708:Nucleotidases; D010405:Penicillinase; D013307:Streptomycin