Thisproductisfreezedried.Allwatermoleculeshavebeenremoved.
- PeptideKDYPASTSQDSFEA(C),correspondingtoaminoacidresidues263-276ofhumanKV1.3(AccessionP22001).ExtracellularloopbetweendomainsS1andS2.
- CellsurfacedetectionofKV1.3inliveintactJurkat(humanTcellleukemia)cells:___ Unstainedcells.
___ Cells + Anti-KV1.3(KCNA3)(extracellular)-FITC Antibody(#APC-101-F),(0.5-5µgantibody/1x106 cells).Thecontrolantigenisnotsuitableforthisapplication.
- Mouselivingprimarycorticalcells(Duque,A. etal. (2013) Develop.Neurobiol. 73, 841.).
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KV1.3 belongstothe Shaker familyof voltage-dependentK+ channels.Thechannel,encodedby KCNA3,iswidelyexpressedinthebrain,lungandosteoclastsandinseveralcell populationsofhematopoieticorigin.TheprominenceofKV1.3channelsinthesecells(particularlyinTlymphocytes)directedmuchresearch attention.ItwasfoundthatKV1.3isthemainchannelresponsIBLeformaintainingtherestingpotentialinquiescentcellsandregulatingthe Ca2+ signalingthatisindispensablefornormalTlymphocyteactivation.1,2 BasedonthecentralroleofKV1.3inregulatingtheinitiationofanimmuneresponse, thechannelhasbeenrecognizedasapotentialtargetforimmunosuppressantdrugs.1
KV1.3channelsarepotentlyinhibitedbyseveralvenomouspeptidetoxinsamongthem CharyBDotoxin (2.6nM), Noxiustoxin (1nM), Kaliotoxin (0.65nM), Margatoxin (0.05nM), Agitoxin-1 (1.7nM), Agitoxin-2 (0.004nM), Hongotoxin-1 (0.09nM) and Stichodactylatoxin (0.01nM).3-7
ThecentralroleofKV1.3inimmunesystemcellscreatedarealneedforaspecific antibodythatwouldbeabletoworkinflowcytometryapplications.
Anti-KV1.3(KCNA3)(extracellular)Antibody(#APC-101)isahighlyspecificantibodydirectedagainstanextracellularepitopeofthehumanprotein.Theantibodycanbeusedinwesternblot,immunohistochemistry,livecellimaging,andindirectflowcytometryapplications.IthasbeendesignedtorecognizeKV1.3potassiumchannelfromhuman,mouse,andratsamples.
Anti-KV1.3(KCNA3)(extracellular)-FITCAntibody(#APC-101-F)isdirectlyconjugatedtofluoresceinisothiocyanate(FITC).Thislabeledantibody canbeusedinimmunofluorescentapplicationssuchasdirectflowcytometryandlivecellimaging.