Description
CatalogueNumber	04-218
BrandFamily	Upstate
TradeName	Upstate
Description	Anti-CREBAntibody,cloneE306,rabbitmonoclonal
AlternateNames	cAMPresponsiveelementbindingprotein activetranscriptionfactorCREB transactivatorprotein
BackgroundInformation	CREB,cyclicAMP(cAMP)responseelement-bindingprotein,isaubiquitouslyexpressedbasicleucinezippertranscriptionfactorthatfunctionsinglucosehomeostasisandstimulatestheexpressionofnumerousgenesinresponsetogrowthfactors,hormones,neurotransmitters,ionfluxes,stresssignals,andhasbeenimplicatedinmemorybecauseifitsapparentroleinsynapticplasticity.CREBfunctionseitherbyitselforwithrelatedfamilymembers,whichincludeCREB,CREM,andATF-1,byforminghomo-andheterodimersthroughtheirbasicleucinezipper(bZIP)domains.TheCREBsignalingpathwayisactivatedbyextracellularligandsthatbindtocellsurfacereceptorsandrelaytheirmessagethroughvariousintracellularsecondmessengersresultingultimatelyintheactivationofnuclearCREBthroughphosphorylationofthetransactivationdomainatserine1332,4.TheclassicalmodelofCREBactivationisthroughPKA(cAMP-dependentproteinkinase).Inthenon-activestate,PKAresidesinthecytoplasmasaninactiveheterotetramerofpairedregulatoryandcatalyticsubunits.StimulationofcAMPcausesthereleasesofthecatalyticsubunitsofPKAthatpassivelydiffuseintothenucleusandinitiatesgeneexpressionbyphosphorylatingCREBatitstransactivationdomainonserine1331,2,3,4.CREBmediatestheactivationofcAMP-responsivegenesbybindingasadimertoaconservedcAMP-responsiveelement(CRE),5’-TGACGTCA-3’,locatedwithinthepromoterregionoftargetgenes.Targetgeneactivationisterminatedbytheserine/threoninephosphatasesPP-1-mediateddephospho-rylationofCREB.

ProductInformation
Format	CultureSupernatant
Control	A431wholecelllysate.
Presentation	100μLofrabbitmonoclonalIgGin60%storagebuffer(50mMTris-Glycine(pH7.4),0.15MNaCl,0.01%sodiumazideand0.05%BSA)and40%glycerol.

StorageandShippingInformation
StorageConditions	Stablefor1yearat-20ºCfromdateofreceipt. HandlingRecommendations:Uponfirstthaw,andpriortoremovingthecap,centrifugethevialandgentlymixthesolution.Aliquotintomicrocentrifugetubesandstoreat-20°C.Avoidrepeatedfreeze/thawcycles,whichmaydamageIgGandaffectproductperformance.Note:VariABIlityinfreezertemperaturesbelow-20°Cmaycauseglycerolcontainingsolutionstobecomefrozenduringstorage.

Applications
Application	PleasenotethatthisproductwillnotbeavailableforsaleafterMarch15,2015.Pleaseselectoneoftheotherantibodiesagainstthistarget.Anti-CREBAntibody,cloneE306,rabbitdetectslevelofCREB&hasbeenpublished&validatedforuseinFC,IC,IF,IH(P),IP&WB.
KeyApplications	FlowCytometry Immunocytochemistry Immunofluorescence Immunohistochemistry(Paraffin) Immunoprecipitation WesternBlotting
ApplicationNotes	FlowCytometry:1:40dilutionfromapreviouslotwasusedonflowcytometry. Immunohistochemistry:1:250-500dilutionfromapreviouslotwasusedonimmunohistochemistry. Immunoprecipitation:1:80dilutionfromapreviouslotwasusedonimmunoprecipitation. Immunocytochemistry:1:250-500dilutionfromapreviouslotwasusedonimmunocytochemistry.

BIOLOGicalInformation
Immunogen	KLHconjugatedtoCREBlinearpeptide.
Epitope	Internal
Clone	E306
Host	Rabbit
Specificity	ThisantibodyrecognizesCREB.
Isotype	IgG
SpeciesReactivity	Human Mouse Rat
SpeciesReactivityNote	Proventoreactwithhuman,ratandmouse.
AntibodyType	MonoclonalAntibody
EntrezGeneNumber	NM_004379
GeneSymbol	MGC9284 CREB
UniProtNumber	P16220
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. Post-translationalmodification:Stimulatedbyphosphorylation.PhosphorylationofbothSer-133andSer-142intheSCNregulatestheactivityofCREBandparticipatesincircadianrhythmgeneration.PhosphorylationofSer-133allowsCREBBPbindingBysimilarity.PhosphorylateduponDNAdamage,probablybyATMorATR. Sequencesimilarities:BelongstothebZIPfamily. Contains1bZIPdomain. Contains1KID(kinase-inducIBLe)domain.
MolecularWeight	~43kDa

PhysicochemicalInformation

Dimensions

MaterialsInformation

MaterialsInformation

Millipore 提供三种不同的 Immobilon PVDF 膜，是针对不同的蛋白质印迹应用的理想选择。 现在我们还 提供采用按规格裁切的印迹方片膜和两层过滤纸组成的印迹三明治。   与硝酸纤维素膜相比，Immobilon 膜具有多种优点。 它们不易破裂或卷 曲，便于裁剪且在切割过程中不会碎裂。 它们还有低背景、广泛溶剂相容性以及优异的着色能力。 此外，它们可以重复检测。 Immobilon-P 膜（沃比森-供应） ·         0.45μm 孔径 ·         建议用于大多数免疫印迹，特别在蛋 白质大于 20kDa 时 ·         Millipore 的快速免疫检测实验方法不需要膜封闭并缩短洗涤时间，将检测时间至少减少了两个小时，而不致降低灵敏 度或特异性 用于高通量实验室的印迹三明治 ·         当您需要处理多个印迹时，印迹三明治是一种便利省时的选择。 我们的印迹三明 治包含多片 Immobilon-P 膜，其中插入了按规格裁切的多张层析级印迹纸。 转印滤纸 ·         按照大多数免疫印迹尺寸进行裁切的层析级转印滤纸。 Immobilon-PSQ 膜（沃比森-供应） ·         0.2μm 孔径和大的内表面面积 ·         较其它膜具有更高的 蛋白质吸附率和测序得率 ·         建议用于小于 20kDa 的印迹蛋白质 ·         防止小分子量的蛋白质的渗漏 Immobilon-FL 膜（沃比森-供应） ·        针对荧光应用进行优化的转印膜 ·         极低的背景提高了所 有荧光检测实验的灵敏度 ·         与所有常用的荧光探针（所有激发和发射波长）兼容 ·         是多态性检测和化学荧光应用的理想选择