| Immunogen | KLH-conjugatedsyntheticpeptidecorrespondingtotheaminoacidsincludingandencompassingphosphorylatedSer133ofCREB. | 
| Epitope | phospho-Ser133 | 
| Concentration | PleaserefertotheCertificateofAnalysisforthelot-specificconcentration. | 
| Host | Rabbit | 
| Specificity | Recognizesp43phosphorylatedCREB.Mayalsorecognizep30andp38kDaproteins.Thep30&p38proteinsmaybephosphorylatedCREMandATF-1respectively,sincethetwoproteinssharesignificanthomologytothephosphorylatedCREBimmunizingpeptide. | 
| Isotype | IgG | 
| SpeciesReactivity |  | 
| AntibodyType | PolyclonalAntibody | 
| EntrezGeneNumber |  | 
| EntrezGeneSummary | ThisgeneencodesatranscriptionfactorthatisamemberoftheleucinezipperfamilyofDNAbindingproteins.ThisproteinbindsasahomodimertothecAMP-responsiveelement,anoctamericpalindrome.Theproteinisphosphorylatedbyseveralproteinkinases,andinducestranscriptionofgenesinresponsetohormonalstimulationofthecAMPpathway.Alternatesplicingofthisgeneresultsintwotranscriptvariantsencodingdifferentisoforms. | 
| GeneSymbol |  | 
| Modifications |  | 
| PurificationMethod | PurifiedbyproteinA-SepharosefollowedbyimmunoadsorbantchromatographyusinganunphosphorylatedCREBaffinitygelcolumn. | 
| UniProtNumber |  | 
| UniProtSummary | FUNCTION:ThisproteinbindsthecAMPresponseelement(CRE),asequencepresentinmanyviralandcellularpromoters.CREBstimulatestranscriptiononbindingtotheCRE.TransciptionactivationisenhancedbytheTORCcoactivatorswhichactindependentlyofSer-133phosphorylation.ImplicatedinsynchronizationofcircADIanrhythmicity. SUBUNIT:InteractswithPPRC1.BindsDNAasadimer.Thisdimerisstabilizedbymagnesiumions.Interacts,throughthebZIPdomain,withthecoactivatorsTORC1/CRTC1,TORC2/CRTC2andTORC3/CRTC3.WhenphosphorylatedonSer-133,bindsCREBBPBysimilarity.
 SUBCELLULAR:Nucleus.
 PMT:Stimulatedbyphosphorylation.PhosphorylationofbothSer-133andSer-142intheSCNregulatestheactivityofCREBandparticipatesincircadianrhythmgeneration.PhosphorylationofSer-133allowsCREBBPbindingBysimilarity.PhosphorylateduponDNAdamage,probablybyATMorATR.
 SIMILARITY:BelongstothebZIPfamily.
 Contains1bZIPdomain.
 Contains1KID(kinase-inducIBLe)domain
 | 
| MolecularWeight | DetectsCREBonlywhenphosphorylatedonSer133(~43kDa).MayrecognizeATF-1(~38kDa)andCREM(~30kDa)asthetwoproteinssharesignificanthomologytothephosphorylatedimmunizingpeptide. |