
Host/IsotypeMouse/IgG2b
Clone27B10.4
SpeciesReactivityAllspecies
Anti-phosphotyrosine-HRPantibodyisanHRPlabeledtyrosinephosphorylationspecificantibodythatispartoftheSignal-Seeker productline.APY03-HRPphosphotyrosineantibodyrecognizesawiderangeoftyrosinephosphorylatedproteinsincellstreatedwithkinaseinhibitors,hydrogenperoxide(H2O2)andsodiumvanadate(Figure1)andhasbeenvalidatedforwesternblotapplications.APY03anti-phosphotyrosineantibody27B10hasbeentestedinwesternblot,immunofluorescence,immunoprecipitation,andELISAwithexcellentspecificityandlowbackgroundwithstrongpotentsignals.
APY03isamousemonoclonalantibody27B10thatrecognizesphosphorylatedtyrosineresidues.APY03wasraisedagainstaproprietarymixtureofphosphotyrosinepeptidesconjugatedtoKLH.APY03candetectlessthan10ngofphosphotyrosine-labeledbovineserumalbumin(seeCertificateofAnalysis[COA]).APY03ispurifiedbyproteinGaffinitychromatographyandissuppliedasalyophilizedwhitepowder.EachLotofantibodyisqualitycontrolledtoprovideahighbatchtobatchconsistency.TheLotspecific gpertubecanbefoundintheLotspecificCOAdocuments.APY03-HRPshowshighspecificitytophosphotyrosineproteinsanddoesnotcross-reactwithphosphoserine/threonineproteinsawesternblotassay(Figures1).

ValidatedApplications
Figure1:WesternBlotdemonstrationofAPY03-HRPphosphotyrosinespecificity
A431cellswereeithertreated(+)oruntreated(-)withCalyculinA(CalyA:aserine/threoninephosphataseinhibitor,50nMfor1hour).NIH3T3cellswereeithertreatedoruntreatedwithH2O2-activatedsodiumorthovanadate(Vanadate:aspecifictyrosinephosphataseinhibitor,100 Mfor10minutes).10 gofeachlysatewasresolvedinSDS-PAGEandproteinsweretransferredtoPVDFmembrane.APY03-HRP(1:6000)wasusedtodetecttyrosinephosphorylatedproteins.WesternblotwasdevelopedwithSuperSignalWestDurachemiluminescentreagent(ThermoScientific)andexposuretimewas10seconds.AsshowninFig.1,awiderangeoftyrosinephosphorylatedproteinsweredetectedinNIH3T3cellstreatedwithorthovanadatebutnotinCalyculinAtreatedA431cells.
ToseethefullWesternblotprotocol,seetheproductdatasheet.

Formoreinformationcontact:signalseeker@Cytoskeleton.com
AssociatedProducts:
Signal-Seeker PhosphotyrosineDetectionKit(Cat.#BK160)
Signal-Seeker PhosphotyrosineAffinityBeads(Cat.#APY03-beads)
Signal-Seeker :BlastR RapidLysatePrepKit(Cat.#BLR01)
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