
DNMT1MonoclonalAntibody
CatalogNo.:12595(clone4G11-C7)Size:100uginPBS(2mg/ml),pH7.4,0.09%sodiumazide.PurifiedbyProteinGaffinitychromatography.
MethylationofDNAatcytosineresiduesisimportantinregulationofgeneexpressionandgenomicimprinting.Hyper-methylationofCpGislandsintumorsuppressorgenesorhypomethylationofbulkgenomicDNAmaybelinkedtodevelopmentofcancer.ThusfarthreefamiliesofmammalianDNAmethyl-transferasegeneshavebeenidentified:DNMT1,DNMT2,andDNMT3.DNMT1is
constitutivelyexpressedinproliferatingcells,andinactivationofthisgenecausesglobaldemethylationofgenomicDNAandembryoniclethality.DNMT1co-purifieswiththeretinoblastoma(Rb)tumorsuppressorgeneproductE2F1andwithHDAC1.DNMT1cooperateswithRbtorepresstranscriptionfrompromoterscontainingE2F-bindingsiteswhichsuggestsalinkbetweenDNAmethylation,histonedeacetylaseandsequence-specificDNAbindingactivityaswellasagrowth-regulatorypathwaythatisdisruptedincancercells.
SPECIFICATIONSUMMARYAntigen:Syntheticpeptidecorrespondingtoaa637-650ofhumanDNMT1(accessionno.NP_001370).HostSpecies:Mouse
AntibodyClass:IgG2b
Thisantibodyrecognizeshuman,mouse,andZebrafishDNMT1.
Immunoblotting:useat2ug/ml.Abandof
~190kDaisdetected.
Thesearerecommendedconcentrations;endusershoulddetermineoptimalconcentrationsfortheirapplications.
Positivecontrols:ESandH1299celllysates.
DiluteinPBSormediumwhichisidenticaltothatusedintheassaysystem.
Thisantibodyisstableforatleastone(1)yearat-20oC.Avoidrepeatedfreeze-thawcycles.
Forinvitroinvestigationaluseonly.Notintendedfordiagnosticortherapeuticapplications.