PenicillinsPenicillin GPenicillin VPenicillin ResistancePenicillin G ProcainePenicillin AmidasePenicillin G BenzathineAnti-Bacterial AgentsMicrobial Sensitivity TestsMass SpectrometryPenicillin-Binding ProteinsStreptococcus pneumoniaePenicillinaseMuramoylpentapeptide CarboxypeptidaseAmpicillinPeptidyl TransferasesHexosyltransferasesCephalosporinsPneumococcal InfectionsStreptococcal InfectionsNeisseria gonorrhoeaeCloxacillinBody Mass IndexDrug HypersensitivityGonorrheaAcremoniumErythromycinbeta-LactamsDrug Resistance, MicrobialStreptococcusCeftriaxoneCefotaximeCephaloridinePharyngitisSpectrometry, Mass, Electrospray IonizationSpectinomycinTandem Mass Spectrometrybeta-LactamasesPenicilliumDrug Resistance, BacterialCarbenicillinCephalothinBacterial ProteinsOxacillinGentamicinsLactamsTetracyclineTonsillitisPeptidoglycanEndocarditis, BacterialNeurosyphilisStaphylococcusProteusSpectrometry, Mass, Matrix-Assisted Laser Desorption-IonizationClindamycinPenicillanic AcidStreptomycinProbenecidCulture MediaSerotypingAmoxicillinEscherichia coliSyphilisChloramphenicolCefuroximeMolecular Sequence DataViridans StreptococciBacteriaDicloxacillinStreptococcus pyogenesMethicillinStreptococcus sanguisNeisseria meningitidisStaphylococcus aureusPhenylacetatesMacrolidesCefiximeCarrier ProteinsTicarcillinCarboxypeptidasesAmidohydrolasesStreptococcus agalactiaeMeningitis, Pneumococcal2-Aminoadipic AcidAspergillus nidulansSulfadiazinePneumonia, PneumococcalVancomycinAmino Acid SequenceAnti-Infective AgentsEnterococcus faecalisSarcinaAminoacyltransferasesCephalexinPeptide SynthasesAmpicillin ResistanceKineticsBacteriolysisCephalosporinaseCell Wall