Rabbitpolyclonalantibody
PooledSerum- Size:
- 100µl
- Formulation:
- AffinityPurifiedfromPooledSerum
- Specificity:
- Rat,Mouse,Human,Xenopus,Bovine,Chicken,Non-humanprimate,Canine
- Applications:
- WB1:1000
- Species:
- Rabbit
- MolecularReference:
- ~74kDa
- CiteThisAntibody:
- PhosphoSolutionsCat#p1555-301,RRID:AB_2492223
Antigen/Purification:Collapse
Theantigenisaphosphopeptidecorrespondingtoaminoacidresiduessurroundingthephospho-Ser301ofratRaf-1.
Preparedfrompooledrabbitserumbyaffinitypurificationviasequentialchromatographyonphospho-andnon-phosphopeptideaffinitycolumns.
BIOLOGicalSignificance:Collapse
TheRaspathwayisacriticalsignaltransductioncascadeinvolvedinregulatingcellularproliferation,differentiation,survival,andoncogenictransformation.MembersoftheRafserine/threoninekinasefamilyarekeyintermediatesinthiscascade,functioningtorelaysignalsfromactivatedRastothedownstreamproteinkinasesMEKandERK(Marshall,1996).PreviousstudieshaveshownthatphosphorylationisrequiredforRaf-1activation(DhillonandKolch,2002;Chongetal.,2003).RecentworkhasdemonstratedthatphosphorylationalsoregulatesthedownregulationofRaf(Doughertyetal.,2005)withtwositesparticipating:Ser301andSer642.
Storage
100µlin10mMHEPES(pH7.5),150mMNaCl,100µgpermlBSAand50%glycerol.Adequateamountofmaterialtoconduct10-miniWesternBlots.
Forlongtermstorage–20°Cisrecommended.Stableat–20°Cforatleast1year.
GeneralReferences
ChongH,VikisHG,GuanKL(2003)MechanismsofregulatingtheRafkinasefamily.CellularSignalling15:463-469.
DhillonAS,KolchW(2002)UntyingtheregulationoftheRaf-1kinase.ArchBiochemBiophys404:3-9.
DoughertyMK,MullerJ,RittDA,ZhouM,ZhouXZ,CopelandTD,ConradsTP,VeenstraTD,LuKP,MorrisonDK(2005)RegulationofRaf-1byDirectFeedbackPhosphorylation.MolCell17:215-224.
MarshallCJ(1996)Raseffectors.currentopinionincellbiology8:197-204.