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Penicilliumsp. 5.0-7.5pH
Penicillinisamemberoftheβ-lactamantibioticsandwasoneofthefirstdiscoveredantibiotics.
PenicillinGsodiumsaltissparinglysolubleinaqueoussolution(0.210mg/mL). Clickhere formoreformsofpenicillin.
69-57-8
C16H17N2NaO4S
356.37
β-lactamsinterferewithPBP(penicillinbindingprotein)activityinvolvedinthefinalphaseofpeptidoglycansynthesis.PBP’sareenzymeswhichcatalyzeapentaglycinecrosslinkbetweenalanineandlysineresiduesprovidingadditionalstrengthtothecellwall.Withoutapentaglycinecrosslink,theintegrityofthecellwallisseverelycompromisedandultimatelyleadstocelllysisanddeath.Resistancetoβ-lactamsiscommonlyduetocellscontainingplasmidencodedβ-lactamases.
2-8°C
2941.10.2000
PenicillinistargetsprimarilyGrampositivebacteriaincludingStaphylococcusandStreptococcusspecies
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Whiteoroff-whitepowder
Penicilliumsp. 5.0-7.5pH