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CatalogNo.:28108

Size:100ugIgGinPBS,pH7.4,purifiedbyimmunoaffinitychroma-tography.

Kinaseofembryonicstemcells(Kos1)isanon-receptorproteintyrosinekinase(NRPTK)andanewmemberoftheAckfamilyofNRPTKs.Kos1isaubiquitouslyexpressed47-kDaproteinwithautotyrosinekinaseactivitythatisdevelopmentallyregulatedduringembryogenesis.Kos1isalsoupregulatedfollowingIL3withdrawalfromfactor-dependentmurineNSF/N1.H7cellsthatundergoapoptosis,suggestingaroleingrowthinhibition.DatasupportanegativeregulatoryroleforKos1inregulatingtheRas-Raf1-MAPKgrowthpathwaybyamechanismthatrequiresitsautotyrosinekinaseactivity.

Immunogen:Syntheticpeptidecorrespondingtoaminoacids421-434(QNQVQSLPAGSAEP)ofmouseKos1conjugatedtoKLHattheN-terminus.HostSpecies:Rabbit

StABIlizers:NonePreservatives:None.Availableonrequest.

ThisantibodyrecognizesmouseKos1protein.

Immunoblotting:useat1:500dilution.Abandofapproximately47kDaisdetected.

Positivecontrol:transfectedcelllysate.

DiluteinPBSormediumwhichisidenticaltothatusedintheassaysystem.

Thisantibodyisstableforatleastone

(1)yearat-20oC.Avoidmultiplefreeze-thawcycles.

Hoare,Ketal.(2003)Oncogene22:3562-3577.

Forinvitroinvestigationaluseonly.Notforuseintherapeuticordiagnosticprocedures.

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