title: Beta-lactamase of R factors.
mesh_terms: D000667:Ampicillin / Q000378:metabolism; D001409:Bacillus cereus / Q000201:enzymology; D003023:Cloxacillin / Q000378:metabolism; D004926:Escherichia coli / Q000201:enzymology*; D005111:Extrachromosomal Inheritance; D008712:Methicillin / Q000378:metabolism; D010400:Penicillin G / Q000378:metabolism; D010403:Penicillin Resistance; D010404:Penicillin V / Q000378:metabolism; D010405:Penicillinase; D010406:Penicillins / Q000378:metabolism; D012760:Shigella / Q000201:enzymology; D013210:Staphylococcus / Q000201:enzymology
chemical_list: D010406:Penicillins; D000667:Ampicillin; D010405:Penicillinase; D003023:Cloxacillin; D010400:Penicillin G; D008712:Methicillin; D010404:Penicillin V