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Micromonosporaspp.
GentamicinAisoneofseveraldifferentcomponentsfoundinstandardgradegentamicin.GentamicinA,gentamicinB,gentamicinX2,andothersareconsidered“minorcomponents,”havelittleantimicrobialactivity,andaccountforapproximately20%ofstandardgradegentamicin.ThemajorcomponentsofgentamicinaremembersofthegentamicinCcomplexwhichaccountforupto80%ofstandardgradegentamicinandpossesshigherantimicrobialproperties.Theminorgentamicincomponents(A,B,X2,etc..)containhydroxygroupsinthe3’and4’positionsofthepurpurosamine(2-amino-hexose)ring.ThegentamicinCcomplexdoesnothavehydroxygroupsattheselocations.Thisstructuraldifferenceisthoughttoaccountforthedifferenceinantimicrobialactivitybetweentheminor(gentamicinsA,B,X2,etc..)andthegentamicinCcomplex. GentamicinAsulfate, EvoPure®is ≥99.0%gentamicinA.
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Huangetal.usedgentamicinAsulfate,EvoPure®andgentamicinX2sulfate,EvoPure®tostudyenzymaticconversionofgentamicinA2toothergentamicincongeners."DelineatingtheBiosynthesisofGentamicinX2,theCommonPrecursoroftheGentamicinCAntibioticComplex."
13291-74-2
C18H36N4O10 ·xH2SO4(lotspecific)
468.50g/mol(Freebase)
Aminoglycosidestargetthe30SribosomalsubunitresultinginaninABIlitytoreadmRNAultimatelyproducingafaultyornonexistentprotein.
-20°C
2941.90.1010
GentamicinisabroadspectrumantibiotictargetingawiderangeofGrampositiveandGramnegativebacteria.Interestingly,gentamicinhasbeenfoundtobeeffectiveagainstcertainβ-lactamsensitiveVREorvancomycinresistantEnterococcus;aglycopeptideantibioticresistant"superbug."
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Micromonosporaspp.