| Immunogen | KLH-conjugated,syntheticpeptidecorrespondingtoaminoacidssurroundingthepTEpYmotifofhumanphospho-MAPKinase1/2(Erk1/2),inwhichtheThrandTyrresiduesarephosphorylated.Theimmunizingsequenceishighlyconservedamongspecies. | 
| Clone | Aw39 | 
| Concentration | Variable | 
| Host | Rabbit | 
| Specificity | RecognizesphosphorylatedMAPKinase1and2(Erk1&2). | 
| Isotype | IgG | 
| SpeciesReactivity |  | 
| SpeciesReactivityNote | Humanandrat.Predictedtocross-reactwithmanyspeciesbasedonsequencehomology. | 
| AntibodyType | MonoclonalAntibody | 
| EntrezGeneNumber |  | 
| EntrezGeneSummary | TheproteinencodedbythisgeneisamemberoftheMAPkinasefamily.MAPkinases,alsoknownasextracellularsignal-regulatedkinases(ERKs),actasanintegrationpointformultiplebiochemicalsignals,andareinvolvedinawidevarietyofcellularprocessessuchasproliferation,differentiation,transcriptionregulationanddevelopment.Theactivationofthiskinaserequiresitsphosphorylationbyupstreamkinases.Uponactivation,thiskinasetranslocatestothenucleusofthestimulatedcells,whereitphosphorylatesnucleartargets.Twoalternativelysplicedtranscriptvariantsencodingthesameprotein,butdifferingintheUTRs,havebeenreportedforthisgene. | 
| GeneSymbol | MAPK1p38ERKP42MAPKERK2p40PRKM1p41mapkPRKM2MAPK2p42-MAPKp41ERK-2ERT1
 | 
| Modifications |  | 
| UniProtNumber |  | 
| UniProtSummary | FUNCTION:SwissProt:P28482#Involvedinboththeinitiationandregulationofmeiosis,mitosis,andpostmitoticfunctionsindifferentiatedcellsbyphosphorylatinganumberoftranscriptionfactorssuchasELK1.PhosphorylatesEIF4EBP1;requiredforinitiationoftranslation.Phosphorylatesmicrotubule-associatedprotein2(MAP2).PhosphorylatesSPZ1(Bysimilarity).Phosphorylatesheatshockfactorprotein4(HSF4). COFACTOR:Magnesium(Bysimilarity).
 SIZE:360aminoacids;41390Da
 SUBUNIT:InteractswithMORG1(Bysimilarity).BindstoHIV-1NefthroughitsSH3domain.Thisinteractioninhibitsitstyrosine-kinaseactivity.InteractswithHSF4.
 DOMAIN:SwissProt:P28482TheTXYmotifcontainsthethreonineandtyrosineresidueswhosephosphorylationactivatestheMAPkinases.
 PTM:DuallyphosphorylatedonThr-185andTyr-187,whichactivatestheenzyme.
 SIMILARITY:Belongstotheproteinkinasesuperfamily.CMGCSer/Thrproteinkinasefamily.MAPkinasesubfamily.&Contains1proteinkinasedomain.
 | 
| MolecularWeight | MAPK1(~44kDa)andMAPK2(~42kDa). |