title: Extracellular beta-lactamase from Escherichia coli.
mesh_terms: D000362:Agar; D000581:Amidohydrolases / Q000378:metabolism*; D001433:Bacteriolysis; D002474:Cell-Free System; D003124:Colorimetry; D004586:Electrophoresis; D004926:Escherichia coli / Q000201:enzymology* / Q000254:growth & development / Q000378:metabolism; D005696:Galactosidases / Q000378:metabolism; D005782:Gels; D010400:Penicillin G / Q000378:metabolism; D010405:Penicillinase / Q000378:metabolism; D014465:Ultrasonics; D014732:Vibration
chemical_list: D005782:Gels; D000362:Agar; D005696:Galactosidases; D000581:Amidohydrolases; D010405:Penicillinase; D010400:Penicillin G