Protein detail

MP2K1

Dual specificity mitogen-activated protein kinase kinase 1 (MAP kinase kinase 1) (MAPKK 1) (MKK1) (EC 2.7.12.2) (ERK activator kinase 1) (MAPK/ERK kinase 1) (MEK 1)

Protein symbol
MP2K1
UniProt ID
EVMP score
0.60
Frequency
15
Transmembrane count
Protein classification
Cancer-related genesDisease related genesEnzymesFDA approved drug targetsHuman disease related genesPredicted intracellular proteinsRAS pathway related proteins
Basic Information
Protein Names
Dual specificity mitogen-activated protein kinase kinase 1 (MAP kinase kinase 1) (MAPKK 1) (MKK1) (EC 2.7.12.2) (ERK activator kinase 1) (MAPK/ERK kinase 1) (MEK 1)
Protein Class
Cancer-related genesDisease related genesEnzymesFDA approved drug targetsHuman disease related genesPredicted intracellular proteinsRAS pathway related proteins
Protein Function
  • Kinases:STE Ser/Thr protein kinases
  • Predicted intracellular proteins
  • ENZYME proteins:Transferases
  • Cancer-related genes:Mutated cancer genes
  • Human disease related genes:Musculoskeletal diseases:Skeletal diseases
  • RAS pathway related proteins
  • Enzymes
  • Cancer-related genes:Candidate cancer biomarkers
  • Human disease related genes:Cancers:Cancers of haematopoietic and lymphoid tissues
  • Human disease related genes:Congenital malformations:Other congenital malformations
  • Disease related genes
  • FDA approved drug targets:Small molecule drugs
Entrez Gene Symbol
Gene Synonym
MAPKK1MEK1PRKMK1
Gene Description
Mitogen-activated protein kinase kinase 1
Chromosome
15
Position
66386837-66491656
Frequency
15
EVMP Score
0.60
Fluorescence & Localization
Function & Pathway
Protein Function
  • Kinases:STE Ser/Thr protein kinases
  • Predicted intracellular proteins
  • ENZYME proteins:Transferases
  • Cancer-related genes:Mutated cancer genes
  • Human disease related genes:Musculoskeletal diseases:Skeletal diseases
  • RAS pathway related proteins
  • Enzymes
  • Cancer-related genes:Candidate cancer biomarkers
  • Human disease related genes:Cancers:Cancers of haematopoietic and lymphoid tissues
  • Human disease related genes:Congenital malformations:Other congenital malformations
  • Disease related genes
  • FDA approved drug targets:Small molecule drugs
KEGG
Mediation Categories
Adhesion and uptake mediationClinical-translation mediationFusion and delivery mediationImmune mediationReceptor-signaling mediation
Relations & Evidence

Enzyme-Mediated Modification

83 records.

Substrate Gene SymbolEnzyme Gene SymbolEnzyme UniProt IDResidue TypeResidue OffsetModificationDatabaseReferences
MAP2K1SHHQ15465S218phosphorylationNCI-PID_ProtMapperProtMapperProtMapper:16424016
MAP2K1SHHQ15465S222phosphorylationNCI-PID_ProtMapperProtMapperProtMapper:16424016
MAP2K1IQGAP1P46940S218phosphorylationNCI-PID_ProtMapperProtMapperProtMapper:14970219ProtMapper:7731720ProtMapper:16135787ProtMapper:17563371ProtMapper:18567582
MAP2K1IQGAP1P46940S222phosphorylationNCI-PID_ProtMapperProtMapperProtMapper:14970219ProtMapper:7731720ProtMapper:16135787ProtMapper:17563371ProtMapper:18567582
MAP2K1HGFP14210S222phosphorylationBEL-Large-Corpus_ProtMapperProtMapperProtMapper:17667909
MAP2K1SRCP12931S298phosphorylationRLIMS-P_ProtMapperREACH_ProtMapperSparser_ProtMapperProtMapperProtMapper:12876277
MAP2K1PTK2Q05397S298phosphorylationRLIMS-P_ProtMapperREACH_ProtMapperSparser_ProtMapperProtMapperProtMapper:21752268ProtMapper:12876277
MAP2K1CDKN1AP38936S298phosphorylationREACH_ProtMapperProtMapperProtMapper:28122968ProtMapper:12876277ProtMapper:21481793
MAP2K1DAPP1Q9UN19S218phosphorylationREACH_ProtMapperProtMapperProtMapper:22981863
MAP2K1DAPP1Q9UN19S222phosphorylationREACH_ProtMapperProtMapperProtMapper:22981863
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Ligand-Receptor Signaling

7 records.

CategoryParentDatabaseTransmitterReceiverSecretedPlasma Membrane (Transmembrane)Plasma Membrane (Peripheral)
receptorreceptorOmniPathNoYesNoNoNo
intracellularintracellularLOCATENoNoNoNoNo
intracellularintracellularComPPINoNoNoNoNo
intracellularintracellularGO_IntercellNoNoNoNoNo
intracellularintracellularUniProt_locationNoNoNoNoNo
intracellularintracellularOmniPathNoNoNoNoNo
receptorreceptorscConnectNoYesNoNoNo

Regulatory Interaction Network

31 records.

Source Protein SymbolSource UniProt IDTarget Protein SymbolTarget UniProt IDIs DirectedIs StimulationIs InhibitionDatabaseReferences
MP2K1Q02750MYRFQ9Y2G1YesNoYesSIGNORSIGNOR:30496175
MP2K1Q02750TET2Q6N021YesYesNoSIGNORSIGNOR:38461173
MP2K1Q02750CASP9P55211YesNoYesphosphoELM_MIMPPhosphoSite_MIMPMIMPHPRD_MIMPiPTMnetPhosphoPointSIGNORProtMapperHPRDPhosphoSite_KEAKEAHPRD_KEASIGNOR_ProtMapperHPRD-phosKEA:12792650ProtMapper:12792650HPRD-phos:12792650HPRD-phos:18669648ProtMapper:18669648HPRD:12792650SIGNOR:12792650
CDK1P06493MP2K1Q02750YesNoYesphosphoELM_MIMPPhosphoSite_MIMPMIMPPhosphoSite_ProtMapperHPRD_MIMPPhosphoSite_norefSIGNORiPTMnetProtMapperRLIMS-P_ProtMapperReactome_ProtMapperKEAphosphoELM_KEAphosphoELMSIGNOR_ProtMapperNetworKIN_KEAKEA:11684694ProtMapper:25971971KEA:12609978SIGNOR:8114697KEA:17570479phosphoELM:11684694ProtMapper:8114697
MP2K1Q02750TAL1P17542YesNoYesphosphoELM_MIMPPhosphoSite_MIMPMIMPHPRD_MIMPiPTMnetSIGNORProtMapperPhosphoSite_KEAKEASIGNOR_ProtMapperProtMapper:11904294KEA:8423803SIGNOR:11904294
MP2K1Q02750GSK3BP49841YesYesNoPhosphoNetworksphosphoELM_MIMPPhosphoSite_MIMPMIMPHPRD_MIMPiPTMnetSIGNORProtMapperPhosphoSite_KEAKEAphosphoELM_KEAphosphoELMSIGNOR_ProtMapperPhosphoSitePhosphoSite_ProtMapperPhosphoSite:21105670KEA:16964243PhosphoSite:14617795phosphoELM:15020233KEA:15020233ProtMapper:15020233PhosphoSite:35019937PhosphoSite:18547980KEA:17081983PhosphoSite:30711629PhosphoSite:17188038SIGNOR:15020233KEA:8382613KEA:17192257
M3K21Q5TCX8MP2K1Q02750YesYesNoSIGNOR_ProtMapperiPTMnetSIGNORProtMapperSIGNOR:23319808ProtMapper:23319808
GIT1Q9Y2X7MP2K1Q02750YesYesNoREACH_ProtMapperSIGNORProtMapperProtMapper:25794709SIGNOR:23325602
COMPLEX:Q00535_Q15078MP2K1Q02750YesNoYesSIGNORSIGNOR:11684694
MP2K1Q02750ARRB2P32121YesYesNoiPTMnetSIGNORProtMapperInnateDBSIGNOR_ProtMapperProtMapper:28169830SIGNOR:28169830InnateDB:11226259
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Protein Complex Composition

22 records.

Component NameComponent Gene SymbolsComponent UniProt IDStoichiometryDatabaseDatabase IDsReferences
B-Ksr1-MEK-MAPK-14-3-3 complexKSR1KSR2MAP2K1MAP2K2MAPK1YWHABYWHAEYWHAGYWHAHYWHAQYWHAZP27348P28482P31946P36507P61981P62258P63104Q02750Q04917Q6VAB6Q8IVT51:1:1:1:1:1:1:1:1:1:1CompleatCompleat:HC244610891492
Ksr1 complex (Ksr1Mek14-3-3)unstimulatedKSR1KSR2MAP2K1MAP2K2SFNYWHABYWHAEYWHAGYWHAHYWHAQYWHAZP27348P31946P31947P36507P61981P62258P63104Q02750Q04917Q6VAB6Q8IVT51:1:1:1:1:1:1:1:1:1:1CompleatCompleat:HC164911741534
Ksr1 complex (Ksr1Mek14-3-3Mapk)EGF stimulatedKSR1KSR2MAP2K1MAP2K2MAPK1SFNYWHABYWHAEYWHAGYWHAHYWHAQYWHAZP27348P28482P31946P31947P36507P61981P62258P63104Q02750Q04917Q6VAB6Q8IVT51:1:1:1:1:1:1:1:1:1:1:1CompleatCompleat:HC33711741534
Ksr1-CK2-MEK-14-3-3 complexPDGF treatedCSNK2A1CSNK2A2CSNK2BKSR1KSR2LY6G5BMAP2K1MAP2K2YWHABYWHAEYWHAGYWHAHYWHAQYWHAZP19784P27348P31946P36507P61981P62258P63104P67870P68400Q02750Q04917Q6VAB6Q8IVT5Q8NDX91:1:1:1:1:1:1:1:1:1:1:1:1:1CompleatCompleat:HC43717174095
STE5-MAPK complexMAP2K1MAP2K2MAP3K15MAP3K19MAP3K3MAP3K5MAPK1MAPK3MAPK4MAPK6MAPK7NLKP27361P28482P31152P36507Q02750Q13164Q16659Q56UN5Q6ZN16Q99683Q99759Q9UBE81:1:1:1:1:1:1:1:1:1:1:1CompleatCompleat:HC30198062390
p14-Mp1-MEK1 complexLAMTOR2LAMTOR3MAP2K1Q02750Q9UHA4Q9Y2Q51:1:1CompleatCORUMCompleat:HC3010CORUM:522211266467
MAP2K1MAP2K3MAP2K4MAP2K6MAP3K4MAP3K5MAPK12MAPK13MAPK14MAPK3MAPKAPK5TAOK2O15264P27361P45985P46734P52564P53778Q02750Q16539Q8IW41Q99683Q9UL54Q9Y6R41:1:1:1:1:1:1:1:1:1:1:1NetworkBlastCompleatCompleat:HC5196
DUSP3MAP2K1MAP2K2MAPK1MAPK14MAPK3MAPK4MAPKAPK5PTPN7RPS6KA4USP1O75676O94782P27361P28482P31152P35236P36507P51452Q02750Q16539Q8IW411:1:1:1:1:1:1:1:1:1:1NetworkBlastCompleatCompleat:HC4979
DUSP1DUSP2DUSP4DUSP6DUSP7DUSP9MAP2K1MAPK1MAPK14MAPK3MAPK8PTPN7RPS6KA4UBCO75676P0CG48P27361P28482P28562P35236P45983Q02750Q05923Q13115Q16539Q16828Q16829Q999561:1:1:1:1:1:1:1:1:1:1:1:1:1NetworkBlastCompleatCompleat:HC9729
DUSP2DUSP3DUSP4DUSP6DUSP9MAP2K1MAP2K2MAPK1MAPK14MAPK3MAPKAPK2PTPN7RPS6KA4UBCO75676P0CG48P27361P28482P35236P36507P49137P51452Q02750Q05923Q13115Q16539Q16828Q999561:1:1:1:1:1:1:1:1:1:1:1:1:1NetworkBlastCompleatCompleat:HC8400
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Isolation & Detection Technology

1 record.

EV Isolation MethodDetection MethodNumber of ReferencesReferences
Differential UltracentrifugationSize Exclusion ChromatographyMass spectrometry127605433
Sequence, Structure & Domains

Sequences

Length
393
Mass
43,439
Sequence
MPKKKPTPIQLNPAPDGSAVNGTSSAETNLEALQKKLEELELDEQQRKRLEAFLTQKQKVGELKDDDFEKISELGAGNGGVVFKVSHKPSGLVMARKLIHLEIKPAIRNQIIRELQVLHECNSPYIVGFYGAFYSDGEISICMEHMDGGSLDQVLKKAGRIPEQILGKVSIAVIKGLTYLREKHKIMHRDVKPSNILVNSRGEIKLCDFGVSGQLIDSMANSFVGTRSYMSPERLQGTHYSVQSDIWSMGLSLVEMAVGRYPIPPPDAKELELMFGCQVEGDAAETPPRPRTPGRPLSSYGMDSRPPMAIFELLDYIVNEPPPKLPSGVFSLEFQDFVNKCLIKNPAERADLKQLMVHAFIKRSDAEEVDFAGWLCSTIGLNQPSTPTHAAGV
Alternative Products
Event=Alternative splicing; Named isoforms=2; Name=1; Synonyms=MKK1a; IsoId=Q02750-1; Sequence=Displayed; Name=2; Synonyms=MKK1b; IsoId=Q02750-2; Sequence=VSP_040500
Alternative Sequence
147..172; Missing (in isoform 2)

3D Structural Models

Turn
58..60; 88..91; 200..202; 327..329; 346..348
Helix
38..40; 44..57; 65..67; 105..115; 116..120; 151..158; 163..184; 193..195; 213..218; 221..223; 227..229; 232..236; 242..258; 268..275; 310..319; 332..341; 352..356; 359..366; 371..379
Beta Strand
68..76; 78..87; 92..100; 129..135; 138..144; 196..198; 204..206
3D Structure
Electron microscopy (14); X-ray crystallography (70)

Domain & Motif Annotations

Domain (CC)
The proline-rich region localized between residues 270 and 307 is important for binding to RAF1 and activation of MAP2K1/MEK1..
Domain (FT)
68..361; Protein kinase
Region
1..27; Disordered; 270..307; RAF1-binding
Protein Families
  • Protein kinase superfamily
  • STE Ser/Thr protein kinase family
  • MAP kinase kinase subfamily
Sequence Similarities
Belongs to the protein kinase superfamily. STE Ser/Thr protein kinase family. MAP kinase kinase subfamily.
Clinical Relevance