usedG418disulfatefromTOKU-EtoselectforresistantporcineTEandFFcells.Readmorehere:"CharacterizationandPotentialUtilityofPorcineTrophoblast-DerivedStem-LikeCells."
usedG418disulfatefromTOKU-EinRPMImediatoselectRFPexpressingTC-2cells. Readmorehere:"3DPorousChitosan–AlginateScaffoldsasanInVitroModelforEvaluatingNanoparticle-MediatedTumorTargetingandGeneDeliverytoProstateCancer."
usedG418disulfatefromTOKU-EtostudyprematureterminationcodonreadthroughinH1299cells.Readmorehere:"Novel smallmoleculespotentiateprematureterminationcodonreadthroughbyaminoglycosides."
CASNumber
108321-42-2
MolecularFormula
C20H40N4O10·2H2SO4
MolecularWeight
692.71
MechanismofAction
G418disulfate,andotheraminoglycosides,includingkanamycinandneomycin,preventproteinsynthesisbyblockingtheelongationstepinprokaryoticandeukaryoticribosomes.Mechanismofresistance:
ResistancetoG418sulfateisconferredbytheneogene(neomycinresistantgene)fromeitherTn5orTn601(903)transposons.Cellssuccessfullytransfectedwithresistanceplasmidscontainingtheneoresistancegenecanexpressaminoglycoside3"-phosphotransferase(APT3"IorAPT3"II)whichcovalentlymodifiesG418to3-phosphoricG418.3-phosphoricG418hasnegligIBLepotencyandhaslow-affinityforprokaryoticoreukaryoticribosomes.
StorageConditions
2-8°C
TariffCode
2941.90.1010
Spectrum
G418disulfateistoxictosusceptibleprokaryoticandeukaryoticcellsincludingfungi(yeastsandmolds),bacteria,mammalianandplantcells.
Form
Powder
Appearance
Whiteoroff-whitepowder
Source
Micromonosporarhodorangea
ED50 Resistant:≥2500ug/mL
ED50Sensitive:≤400ug/mL
ElementalAnalysis
Carbon:28.80-36.07%
Hydrogen:5.76-7.76%
Nitrogen:6.72-8.41%
WaterofHydration:0-6
Ammonia
≤1.0%
WaterContent(KarlFisher)
≤12.0%
Potency(onadrybasis)
≥720μg/mg(≥700μg/mgAsis)
Absorbance
1mg/mL:280nm<0.015
100mg/mL:570nmpH
4.6-6.0(200mg/mL)
OpticalRotation
+104ºto+121º