Penicillin AmidasePenicillin GPenicillinsPenicillin VEscherichia coli ProteinsEscherichia coliPhenylacetatesAmidohydrolasesPhenylmethylsulfonyl FluorideEpidermophytonEscherichia coli InfectionsPenicillanic AcidPenicilliumPenicillin ResistanceEscherichia coli O157Bacterial ProteinsGenes, BacterialMolecular Sequence DataKineticsSubstrate SpecificityBase SequenceDNA, BacterialAmino Acid SequenceEscherichia coli K12PlasmidsCloning, MolecularPenicillin G ProcaineMutationCatalysisHydrogen-Ion ConcentrationAnti-Bacterial AgentsGene Expression Regulation, BacterialAdhesins, Escherichia coliPenicillin G Benzathine