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
MAP2K1BRAFP15056S218phosphorylationSparser_ProtMapperphosphoELM_MIMPPhosphoSite_MIMPMIMPNCI-PID_ProtMapperHPRD_MIMPSIGNORProtMapperRLIMS-P_ProtMapperKEASIGNOR_ProtMapperREACH_ProtMapperPhosphoSitePhosphoSite_ProtMapperProtMapper:7706312ProtMapper:8131746KEA:7873542ProtMapper:19541618ProtMapper:7935374ProtMapper:15342917ProtMapper:16255777KEA:15466476KEA:7936666ProtMapper:17563371ProtMapper:9560161ProtMapper:14970219KEA:8621729KEA:8131746KEA:7731720ProtMapper:16135787KEA:7624324KEA:8394352SIGNOR:8131746KEA:8157000ProtMapper:7731720ProtMapper:10976102ProtMapper:18567582KEA:94178255
MAP2K1BRAFP15056S222phosphorylationSparser_ProtMapperphosphoELM_MIMPPhosphoSite_MIMPMIMPNCI-PID_ProtMapperHPRD_MIMPSIGNORProtMapperKEASIGNOR_ProtMapperREACH_ProtMapperPhosphoSitePhosphoSite_ProtMapperProtMapper:7706312ProtMapper:19541618ProtMapper:7935374ProtMapper:15342917ProtMapper:16255777ProtMapper:8413257KEA:15466476KEA:8039496ProtMapper:17563371ProtMapper:9560161SIGNOR:8413257KEA:15175348ProtMapper:14970219KEA:8621729KEA:8131746KEA:7731720ProtMapper:16135787KEA:7624324KEA:8394352KEA:8157000ProtMapper:7731720ProtMapper:10976102ProtMapper:18567582KEA:94178255
MAP2K1MAP3K21Q5TCX8S218phosphorylationSIGNORSIGNOR:23319808
MAP2K1MAP3K21Q5TCX8S222phosphorylationSIGNORSIGNOR:23319808
MAP2K1CDK5Q00535T286phosphorylationphosphoELM_MIMPPhosphoSite_MIMPMIMPHPRD_MIMPSIGNORProtMapperHPRDKEASIGNOR_ProtMapperKEA:11684694KEA:8157000KEA:15665076ProtMapper:11684694HPRD:18691976HPRD:11684694SIGNOR:11684694
MAP2K1CDK5Q00535T292phosphorylationPhosphoSitePhosphoSite_ProtMapperProtMapper
MAP2K1CDK5R1Q15078T286phosphorylationphosphoELM_MIMPPhosphoSite_MIMPMIMPHPRD_MIMPSIGNORProtMapperHPRDKEASIGNOR_ProtMapperKEA:11684694KEA:8157000KEA:15665076ProtMapper:11684694HPRD:18691976HPRD:11684694SIGNOR:11684694
MAP2K1ARAFP10398S222phosphorylationphosphoELM_MIMPPhosphoSite_MIMPMIMPHPRD_MIMPSIGNORProtMapperKEASIGNOR_ProtMapperPhosphoSitePhosphoSite_ProtMapperKEA:8394352SIGNOR:8621729ProtMapper:8621729KEA:8157000KEA:94178255KEA:15175348KEA:8621729KEA:8131746KEA:7731720KEA:15466476KEA:8039496KEA:7624324
MAP2K1ARAFP10398S218phosphorylationphosphoELM_MIMPPhosphoSite_MIMPMIMPHPRD_MIMPSIGNORProtMapperKEASIGNOR_ProtMapperPhosphoSitePhosphoSite_ProtMapperKEA:8394352SIGNOR:8621729ProtMapper:8621729KEA:8157000KEA:7873542KEA:94178255KEA:8621729KEA:8131746KEA:7731720KEA:15466476KEA:7936666KEA:7624324
MAP2K1MAP3K1Q13233S222phosphorylationNCI-PID_ProtMapperSIGNOR_ProtMapperSIGNORProtMapperProtMapper:8131746SIGNOR:8131746ProtMapper:12048245
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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
KSR2MAP2K1Q02750Q6VAB61:1PDBPDB:7umb
KSR1MAP2K1Q02750Q8IVT52:2hu.MAPhu.MAP2PDBPDB:9axh
Page 3 of 3Previous

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