| Immunogen | CREBpurifiedantibodyismadeagainstaKLH-conjugatedsyntheticpeptidecorre-spondingtoaminoacids5-24ofhumanCREB. | 
| Epitope | a.a.5-24 | 
| Clone | NL904 | 
| Host | Rabbit | 
| Specificity | RecognizesCREB,MW~43kDa. | 
| Isotype | IgG | 
| SpeciesReactivity |  | 
| SpeciesReactivityNote | Human,mouse,rat.Nottestedinotherspecies.Theimmunogensequenceisidenticalinawiderangeofanimalandplantspecies,sobroadcross-reactivityisexpected. | 
| AntibodyType | MonoclonalAntibody | 
| EntrezGeneNumber |  | 
| EntrezGeneSummary | ThisgeneencodesatranscriptionfactorthatisamemberoftheleucinezipperfamilyofDNAbindingproteins.ThisproteinbindsasahomodimertothecAMP-responsiveelement,anoctamericpalindrome.Theproteinisphosphorylatedbyseveralproteinkinases,andinducestranscriptionofgenesinresponsetohormonalstimulationofthecAMPpathway.Alternatesplicingofthisgeneresultsintwotranscriptvariantsencodingdifferentisoforms. | 
| GeneSymbol |  | 
| UniProtNumber |  | 
| UniProtSummary | FUNCTION:ThisproteinbindsthecAMPresponseelement(CRE),asequencepresentinmanyviralandcellularpromoters.CREBstimulatestranscriptiononbindingtotheCRE.TransciptionactivationisenhancedbytheTORCcoactivatorswhichactindependentlyofSer-133phosphorylation.ImplicatedinsynchronizationofcircADIanrhythmicity. SUBUNITSTRUCTURE:InteractswithPPRC1.BindsDNAasadimer.ThisdimerisstABIlizedbymagnesiumions.Interacts,throughthebZIPdomain,withthecoactivatorsTORC1/CRTC1,TORC2/CRTC2andTORC3/CRTC3.WhenphosphorylatedonSer-133,bindsCREBBPBysimilarity.
 SUBCELLULARLOCATION:Nucleus.
 PTM:Stimulatedbyphosphorylation.PhosphorylationofbothSer-133andSer-142intheSCNregulatestheactivityofCREBandparticipatesincircadianrhythmgeneration.PhosphorylationofSer-133allowsCREBBPbindingBysimilarity.PhosphorylateduponDNAdamage,probablybyATMorATR.
 INVOLVEMENTINDISEASE:AchromosomalaberrationinvolvingCREB1isassociatedwithangiomatoidfibroushistiocytoma(AFH)[MIM:612160].Translocationt(2;22)(q33;q12)withCREB1generatesaEWSR1/CREB1fusiongenethatismostcommongeneticabnormalityinthistumortype.
 SEQUENCESIMILARITIES:BelongstothebZIPfamily.Contains1bZIPdomain.Contains1KID(kinase-inducIBLe)domain.
 | 
| MolecularWeight | ~43kDa |