DESCRIPTION:
Afullyvalidated,highlyspecificpolyclonalantiserumtoSerine-16phosphorylatedformsofphospholamban
Background: Phospholamban(PLB/PLN)isasmalltransmembraneproteinwhichplaysanimportantroleincontrollingtheactivityofthesarcoplasmicreticulumATPase(SERCA2a)ofcardiacmuscleduringcalciumsequestration.PhospholambanisphosphorylatedonseparateaminoacidresiduesbycAMP-dependent,andcGMP-dependent(Ser-16) andCa2+/CaM-dependent(Thr-17) proteinkinasesinresponsetoβ-adrenergicstimulation. AkthasalsobeenshowntophosphorylateThr-17.Theresultisanincreasedcalciumpumpactivitywhichreducesthetimecourseofthecalciumtransient,increasesthecalciumloadinthesarcoplasmicreticulum,andconsequently,producesalargercalciumtransientatthenextactionpotential. However,alterationinthishomeostaticinteractionhasbeenshowntoresultinheartfailure
Testedapplications: WesternBlot(1:5000dilution),ELISA. Speciesrecognition:allmammalianspecies,whenphosphorylatedonSer-16.
DATASHEET:
Description | LyophilisedRabbitpolyclonalanti-serum(A010-12)containingIgGantibodyspecificforSer-16phosphorylatedformsofPLB(Drago&Colyer,1994). |
Immunogen | Phosphopeptidecomprisingresidues9-19-Y(residuesR9SAIRRAS(PO3H2)TIE19Y)conjugatedtoKLH. |
Isotype | IgG |
Purification | Rawserum |
Speciesreactivity | Theantibodyrecognisesmonoandoligomericphospholambanwhenphosphorylatedonserine-16byPKA.BindingoftheantibodytoitstargetepitopeisblockedinthepresenceofaphosphopeptidecontainingthePLBPhosphoSer-16epitope.AntibodyaffinityisreducedincircumstancesofdualphosphorylationofSer-16andThr-17. |
Testedapplications | WB,ELISAandIHCmicroscopy |
Recommendeddilution | WB1:5000 |
Optimization | Optimaldilutionstobedeterminedbyenduser |
Storage | Lyophilisedantibodyisstableat4°Cwhenstoredwithdesiccant.Reconstitutelyophilisedpowderin25µlof18MΩH2O,aliquotandstorefrozenat-80°Cfor1year.Avoidfreeze-thawcycles. |
Storage | Lyophilised:4°CReconstituted:-80°C |
Datasheet | A010-12 |
MSDS | A010-12 |
Regulatorystatement | Productforresearchuseonly.Notintendedfordiagnosticortherapeuticuse. |