title: Fractionation and characterization of two beta-lactamases in Citrobacter diversus ULA-27 strain by chromatofocusing.
mesh_terms: D002850:Chromatography, Gel; D002954:Citrobacter / Q000201:enzymology* / Q000254:growth & development; D004591:Electrophoresis, Polyacrylamide Gel; D006863:Hydrogen-Ion Concentration; D007525:Isoelectric Focusing; D012967:Sodium Dodecyl Sulfate; D001618:beta-Lactamases / Q000032:analysis*
chemical_list: D012967:Sodium Dodecyl Sulfate; D001618:beta-Lactamases