
ORDERINGINFORMATION
CatalogNo.:43053
Format:100ulat1.0mg/mlinPBS(withoutMg2+andCa2+),pH7.4,150mMNaCl,0.02%sodiumazideand50%glycerol.Affinity-purifiedonphosphopeptide;non-phosphopeptide-reactiveantibodieswereremovedbychromatographyonnon-phosphorylatedpeptide.
BACKGROUND
ATF4encodesatranscriptionfactorthatwasoriginallyidentifiedasawidelyexpressedmammalianDNA-bindingproteinthatcouldbindatax-responsiveenhancerelementintheLTRofHTLV-1.ATF4belongstoafamilyofDNA-bindingproteinsthatincludestheAP-1familyoftranscriptionfactors,cAMP-responseelementbindingproteins(CREBs)andCREB-likeproteins.Thesetranscriptionfactorssharealeucinezipperregionthatisinvolvedinprotein-proteininteractionslocatedC-terminaltoastretchofbasicaminoacidsthatfunctionsasaDNAbindingdomain.DiseasesassociatedwithATF4includeleukoencephalopathywithvanishingwhitematterandT-cellleukemia.
SPECIFICATIONSUMMARY
Antigen:Peptidesequencethatincludesphosphorylationsitesofserine245(N-R-S(p)-L-P)derivedfromhumanATF4andconjugatedtoKLH.
Accessionno.:P18848,NP_001666.2
HostSpecies:Rabbit
Specificity:ThisantibodydetectsendogenoushumanATF4onlywhenphosphorylatedatserine245.
APPLICATION
Immunoblotting:useatdilutionof1:500-1:1,000.Abandof~45kDaisdetected.
Immunohistochemistry:useatdilutionof1:50-1:100.
DetectionofATF4(phospho-Ser245)inextractsofHeLacellsuntreatedortreatedwithUV.
DetectionofATF4(phospho-Ser245)inparaffin-embeddedhumanbreastcarcinomatissue.
Thesearerecommendedworkingdilutions.Endusershoulddetermineoptimaldilutionsfortheirapplications.
DILUTIONINSTRUCTIONS
DiluteinPBSormediumthatisidenticaltothatusedintheassaysystem.
STORAGEANDSTABILITY
Thisantibodyisstableforatleastone(1)yearat-20oC.Canbestoredat4oCforshort-termuse.
Forinvitroinvestigationaluseonly.Notintendedfortherapeuticordiagnosticapplications.