Immunogen | Fulllength,GST-taggedrecombinantbetacatenin. |
Clone | 7F7.2 |
Concentration | PleaserefertotheCertificateofAnalysisforthelot-specificconcentration. |
Host | Mouse |
Specificity | Thisantibodyrecognizesbetacatenin. |
Isotype | IgG1κ |
SpeciesReactivity | |
AntibodyType | MonoclonalAntibody |
EntrezGeneNumber | |
EntrezGeneSummary | Beta-cateninisanadherensjunctionprotein.Adherensjunctions(AJs;alsocalledthezonulaadherens)arecriticalfortheestablishmentandmaintenanceofepitheliallayers,suchasthoseliningorgansurfaces.AJsmediateadhesionbetweencells,communicateasignalthatneighboringcellsarepresent,andanchortheactinCytoskeleton.Inservingtheseroles,AJsregulatenormalcellgrowthandbehavior.Atseveralstagesofembryogenesis,woundhealing,andtumorcellmetastasis,cellsformandleaveepithelia.Thisprocess,whichinvolvesthedisruptionandreestablishmentofepithelialcell-cellcontacts,mayberegulatedbythedisassemblyandassemblyofAJs.AJsmayalsofunctioninthetransmissionofthe"contactinhibition"signal,whichinstructscellstostopdividingonceanepithelialsheetiscomplete.[suppliedbyOMIM] |
GeneSymbol | - CTNNB
- CTNNB1
- FLJ25606
- FLJ37923
- DKFZp686D02253
|
PurificationMethod | ProteinGPurified |
UniProtNumber | |
UniProtSummary | FUNCTION:InvolvedintheregulationofcelladhesionandinsignaltransductionthroughtheWntpathway. SUBUNIT: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.InteractswithGLIS2andMUC1.InteractswithSLC30A9.InteractswithXIRP1(Bysimilarity). SUBCELLULARLOCATION:Cytoplasm.Nucleus.Cytoplasm,cytoskeleton.Note=Cytoplasmicwhenitisunstabilized(highlevelofphosphorylation)orboundtoCDH1.Translocatestothenucleuswhenitisstabilized(lowlevelofphosphorylation).InteractionwithGLIS2andMUC1promotesnucleartranslocation. TISSUESPECIFICITY:Expressedinseveralhairfolliclecelltypes:basalandperipheralmatrixcells,andcellsoftheouterandinnerrootsheats.Expressedincolon. |
MolecularWeight | 92kDa |