| Source | expressedinE.coli | 
| SpecificActivity | ForSpecificActivitydata,refertotheCertificateofAnalysisforindividuallotsofthisenzyme. | 
| EntrezGeneNumber |  | 
| EntrezGeneSummary | TheproteinencodedbythisgeneisamemberoftheMAPkinasefamily.MAPkinases,alsoknownasextracellularsignal-regulatedkinases(ERKs),actasanintegrationpointformultiplebiochemicalsignals,andareinvolvedinawidevarietyofcellularprocessessuchasproliferation,differentiation,transcriptionregulationanddevelopment.Theactivationofthiskinaserequiresitsphosphorylationbyupstreamkinases.Uponactivation,thiskinasetranslocatestothenucleusofthestimulatedcells,whereitphosphorylatesnucleartargets.Twoalternativelysplicedtranscriptvariantsencodingthesameprotein,butdifferingintheUTRs,havebeenreportedforthisgene. | 
| GeneSymbol | - MAPK1
 - p40
 - PRKM2
 - MAPK2
 - PRKM1
 - p42-MAPK
 - p38
 - p41
 - ERK
 - ERK-2
 - ERT1
 - P42MAPK
 - p41mapk
 - ERK2
 
  | 
| ProteinTarget | MAPK2 | 
| PurificationMethod | Glutathioneagarose;Ni2+/NTAagarose | 
| TargetSub-Family | CMGC | 
| 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 | 67.8kDa |