Form
Powder
Source
Biosynthetic:producedbyMicromonosporarhodorangea.
Absorbance
1mg/ml(water):280nm<0.015 570nm <0.01 100mg/ml (water): 570nm <0.01 1.74g/25 ml (water): 280nm <0.7
pH
4.6-6.0
G418disulfate,EvoPure®isahighpurity(≥99.0%)formofG418disulfateandisfreeofimpuritiespresentinstandardgradeG418.G418disulfate,alsoknownasG418sulfate,isroutinelyusedasaselectionantibioticincellculturegeneselectionapplications.G418disulfateisanaminoglycosideantibioticisolatedfrom Micromonosporarhodorangea andiscloselyrelatedtothegentamicins;mostnotably,gentamicinB1.G418isagenericnameofGeneticin®
TOKU-Ealsooffers G418disulfatesolution and G418disulfatepowder .
108321-42-2
C20H40N4O10·xH2SO4(lotspecific)
496.55g/mol(Freebase)
G418disulfate,andotheraminoglycosides,includingkanamycinandneomycin,preventproteinsynthesisbyblockingtheelongationstepinprokaryoticandeukaryoticribosomes. Mechanismofresistance: ResistancetoG418sulfateisconferredbytheneogene(neomycinresistantgene)fromeitherTn5orTn601(903)transposons.Cellssuccessfullytransfectedwithresistanceplasmidscontainingtheneoresistancegenecanexpressaminoglycoside3"-phosphotransferase(APT3"IorAPT3"II)whichcovalentlymodifiesG418to3-phosphoricG418.3-phosphoricG418hasnegligIBLepotencyandhaslow-affinityforprokaryoticoreukaryoticribosomes.
2-8°C
2941.90.1010
G418disulfateistoxictosusceptibleprokaryoticandeukaryoticcellsincludingfungi(yeastsandmolds),bacteria,mammalianandplantcells.
Powder
Biosynthetic:producedbyMicromonosporarhodorangea.
1mg/ml(water):280nm<0.015 570nm <0.01 100mg/ml (water): 570nm <0.01 1.74g/25 ml (water): 280nm <0.7
4.6-6.0