| Immunogen | PhosphorylatedpeptidecorrespondingtoaminoacidssurroundingthepTEpYmotifintheactivationloopofhumanphospho-Erk1/2,inwhichtheThrandTyrresiduesarephosphorylated | 
| Epitope | pTEpYintheactivationloop | 
| Clone | AW39R | 
| Host | Rabbit | 
| Specificity | RecognizesErk1&2onlywhenduallyphosphorylatedonitsTxYactivationmotif. | 
| Isotype | IgG | 
| SpeciesReactivity |  | 
| AntibodyType | MonoclonalAntibody | 
| EntrezGeneNumber |  | 
| EntrezGeneSummary | TheproteinencodedbythisgeneisamemberoftheMAPkinasefamily.MAPkinases,alsoknownasextracellularsignal-regulatedkinases(ERKs),actasanintegrationpointformultiplebiochemicalsignals,andareinvolvedinawidevarietyofcellularprocessessuchasproliferation,differentiation,transcriptionregulationanddevelopment.Theactivationofthiskinaserequiresitsphosphorylationbyupstreamkinases.Uponactivation,thiskinasetranslocatestothenucleusofthestimulatedcells,whereitphosphorylatesnucleartargets.Twoalternativelysplicedtranscriptvariantsencodingthesameprotein,butdifferingintheUTRs,havebeenreportedforthisgene. | 
| GeneSymbol | - Erk1
 - Erk2
 - p44-MAPK
 - p42-MAPK
 - MAPK2
 - PRKM2
 - p41mapk
 - PRKM1
 - p44
 - ERK2
 - P42MAPK
 - ERK
 - p42
 - MAPK1
 - ERT1
 - ERT2
 - Mitogen-activatedproteinkinase
 - MAPKinase2
 - MAPKianse1
 - MAPK
 
  | 
| Modifications |  | 
| PurificationMethod | ProteinAPurfied | 
| 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 | Erk1(p44)(~44kDa)andErk2(p42)(~42kDa). |