DescriptionCatalogueNumber05-613Replaces04-1002BrandFamilyUpstateTradeNameUpstateDescriptionAnti-β-CateninAntibody,clone2H4A7ProductInformationFormatPurifiedPresentationProteinGpurifiedIgGinbuffercontaining0.1MTris-Glycine,pH7.4,0.15MNaCl,0.05%sodiumazideStorageandShippingInformationStorageConditionsStable2yearsat2-8°CApplicationsApplicationDetectβ-CateninalsoknownasbetacateninwithAnti-β-CateninAntibody,clone2H4A7(MouseMonoclonalAntibody),thathasbeendemonstratedtoworkinIP,WB&IHC.KeyApplicationsImmunoprecipitationWesternBlottingImmunohistochemistryBIOLOGicalInformationImmunogenfusionproteincorrespondingtoresidues1-100ofhumanβ-CateninCloneclone2H4A7HostMouseSpecificityβ-CateninIsotypeIgGSpeciesReactivityHumanMouseRatAntibodyTypeMonoclonalAntibodyEntrezGeneNumberNP_001895EntrezGeneSummaryBeta-cateninisanadherensjunctionprotein.Adherensjunctions(AJs;alsocalledthezonulaadherens)arecriticalfortheestablishmentandmaintenanceofepitheliallayers,suchasthoseliningorgansurfaces.AJsmediateadhesionbetweencells,communicateasignalthatneighboringcellsarepresent,andanchortheactinCytoskeleton.Inservingtheseroles,AJsregulatenormalcellgrowthandbehavior.Atseveralstagesofembryogenesis,woundhealing,andtumorcellmetastasis,cellsformandleaveepithelia.Thisprocess,whichinvolvesthedisruptionandreestablishmentofepithelialcell-cellcontacts,mayberegulatedbythedisassemblyandassemblyofAJs.AJsmayalsofunctioninthetransmissionofthe"contactinhibition"signal,whichinstructscellstostopdividingonceanepithelialsheetiscomplete.[suppliedbyOMIM]GeneSymbolCTNNB1CTNNBFLJ25606Beta-cateninPRO2286FLJ37923DKFZp686D02253PurificationMethodProteinGChromatographyUniProtNumberP35222UniProtSummaryFUNCTION:SwissProt:P35222#InvolvedintheregulationofcelladhesionandinsignaltransductionthroughtheWntpathway.SIZE:781aminoacids;85497DaSUBUNIT:Twoseparatepoolsarefoundinthecytoplasm:oneisPSEN1/cadherin/catenincomplexwhichanchorstotheactincytoskeleton.TheotherpoolispartofalargecomplexcontainingAXIN1,AXIN2,APC,CSNK1A1andGSK3BthatpromotesphosphorylationonN-terminalSerandThrresiduesandubiquitinationofCTNNB1viaBTRCanditssubsequentdegradationbytheproteasome.Wnt-dependentactivationofDVLantagonizestheactionofGSK3B.WhenGSK3Bactivityisinhibitedthecomplexdissociates,CTNNB1isdephosphorylatedandisnolongertargetedfordestruction.ThestABIlizedproteintranslocatestothenucleus,whereitbindsTCF/LEF-1familymembers,TBP,BCL9andpossIBLyalsoRUVBL1andDUPLIN.BindsCTNNBIPandEP300.CTNNB1formsaternarycomplexwithLEF1andEP300thatisdisruptedbyCTNNBIP1binding(Bysimilarity).InteractswiththePDZdomainofTAX1BP3;thisinteractioninhibitsthetranscriptionalactivityofCTNNB1(Bysimilarity).InteractswithAJAP1,BAIAP1,CARM1,CTNNA3,CXADRandPCDH11Y.BindsSLC9A3R1.InteractswithGLIS2.InteractswithSLC30A9(Bysimilarity).SUBCELLULARLOCATION:Cytoplasm.Nucleus.Note=Cytoplasmicwhenitisunstabilized(highlevelofphosphorylation)orboundtoCDH1.Translocatestothenucleuswhenitisstabilized(lowlevelofphosphorylation).InteractionwithGLIS2promotesnucleartranslocation.TISSUESPECIFICITY:Expressedinseveralhairfolliclecelltypes:basalandperipheralmatrixcells,andcellsoftheouterandinnerrootsheats.Expressedincolon.PTM:PhosphorylationbyGSK3BrequirespriorphosphorylationofSer-45byanotherkinase.PhosphorylationproceedsthenfromThr-41toSer-37andSer-33.&EGFstimulatestyrosinephosphorylation.PhosphorylationonTyr-654decreasesCDH1bindingandenhancesTBPbinding.&UbiquitinatedbyaE3ubiquitinligasecomplexcontainingUBE2D1,SIAH1,CACYBP/SIP,SKP1A,APCandTBL1X(Probable).Itsubiquitinationleadstoitssubsequentproteasomaldegradation.DISEASE:"SwissProt:P35222#ActivatingmutationsinCTNNB1haveoncogenicactivityresultingintumordevelopment.Somaticmutationsarefoundinvarioustumortypes,includingcoloncancers,ovarianandprostatecarcinomas,hepatoblastoma(HB),hepatocellularcarcinoma(HCC).HBsaremalignantembryonaltumorsmainlyaffectingyoungchildreninthefirstthreeyearsoflife.&DefectsinCTNNB1areacauseofpilomatrixoma(PTR)[MIM:132600];acommonbenignskintumor.&DefectsinCTNNB1areacauseofmedulloblastoma(MDB)[MIM:155255].MDBisamalignant,invasiveembryonaltumorofthecerebellumwithapreferentialmanifestationinchildren.&AchromosomalrearrangementinvolvingCTNNB1maybeacauseofsalivaryglandpleiomorphicadenomas(PA)[181030].Pleiomorphicadenomasarethemostcommonbenignepithelialtumorsofthesalivarygland.Translocationt(3;8)(p21;q12)withPLAG1."SIMILARITY:SwissProt:P35222##Belongstothebeta-cateninfamily.&Contains12ARMrepeats.MolecularWeight92kDaPhysicochemicalInformationDimensionsMaterialsInformationMaterialsInformation