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 |