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
MAP2K1MAP3K8P41279S244phosphorylationSIGNOR_ProtMapperSIGNORProtMapperProtMapper:8131746SIGNOR:8131746
MAP2K1MAP3K8P41279S248phosphorylationSIGNOR_ProtMapperSIGNORProtMapperProtMapper:8131746SIGNOR:8131746
MAP2K1MAP3K8P41279S24phosphorylationPhosphoNetworks
MAP2K1PDPK1O15530S222phosphorylationSIGNORProtMapperRLIMS-P_ProtMapperKEAphosphoELMSIGNOR_ProtMapperREACH_ProtMapperPhosphoSitePhosphoSite_ProtMapperphosphoELM:15175348KEA:8394352SIGNOR:15175348KEA:8157000KEA:94178255KEA:15175348KEA:8621729KEA:8131746ProtMapper:15175348KEA:7731720KEA:15466476KEA:8039496KEA:7624324
MAP2K1ZHX2Q9Y6X8S218phosphorylationdbPTMdbPTM:8131746
MAP2K1ZHX2Q9Y6X8S222phosphorylationdbPTMdbPTM:17192257dbPTM:8131746
MAP2K1MOSP00540S222phosphorylationPhosphoSiteSIGNORSIGNOR:7731726
MAP2K1MOSP00540S218phosphorylationPhosphoSite
MAP2K1BRAFP15056S252phosphorylationSIGNOR_ProtMapperSIGNORProtMapperSIGNOR:8413257ProtMapper:8413257
MAP2K1BRAFP15056S248phosphorylationSIGNOR_ProtMapperSIGNORProtMapperSIGNOR:8413257ProtMapper:8413257
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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
M3K2Q9Y2U5MP2K1Q02750YesYesNoSIGNORSignaLink3SignaLink3:23331499SignaLink3:11343802SIGNOR:11343802
PEBP1P30086MP2K1Q02750YesYesNoCancerCellMapNetPathSignaLink3HPRDCancerCellMap:10757792NetPath:10757792SignaLink3:10490027SignaLink3:23331499SignaLink3:10757792HPRD:10757792
WDR83Q9BRX9MP2K1Q02750YesYesNoSIGNORSignaLink3SignaLink3:15118098SignaLink3:23331499SIGNOR:15118098
LTOR3Q9UHA4MP2K1Q02750YesYesNoSIGNORHPRDSignaLink3WangLit-BM-17SignaLink3:9733512SignaLink3:11266467SIGNOR:15547943HPRD:9733512SignaLink3:15547943SignaLink3:23331499Lit-BM-17:11266467Lit-BM-17:9733512
PP2AAP67775MP2K1Q02750YesNoYesWangSIGNORACSNDEPODACSN:10995457ACSN:18039929ACSN:18042541DEPOD:1716348ACSN:18588945ACSN:16680151SIGNOR:20626350
PDPK1O15530MP2K1Q02750YesYesNoiPTMnetSIGNORProtMapperRLIMS-P_ProtMapperPhosphoSite_KEAKEAphosphoELMSIGNOR_ProtMapperREACH_ProtMapperPhosphoSite_ProtMapperphosphoELM:15175348KEA:8394352SIGNOR:15175348KEA:8157000KEA:94178255KEA:15175348KEA:8621729KEA:8131746ProtMapper:15175348KEA:7731720KEA:15466476KEA:8039496KEA:7624324
MOSP00540MP2K1Q02750YesYesNoWangiPTMnetSIGNORProtMapperCui2007SIGNOR_ProtMapperREACH_ProtMapperProtMapper:7731726ProtMapper:10561505SIGNOR:7731726
MP2K1Q02750IRS1P35568YesNoYesSIGNOR_ProtMapperiPTMnetSIGNORProtMapperSIGNOR:11160134ProtMapper:11160134
MP2K1Q02750MYT1Q01538YesNoYesSIGNORSIGNOR:23241949
MP2K1Q02750HSF1Q00613YesYesNoSparser_ProtMapperiPTMnetSIGNORProtMapperREACH_ProtMapperPhosphoSite_ProtMapperSIGNOR:35080342ProtMapper:25679764
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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