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MAPK3 - mitogen-activated protein kinase 3
Entrez Gene Name: mitogen-activated protein kinase 3
Synonyms: ERK-1, Esrk1, HS44KDAP, HUMKER1A, Mapk p44, MAPK3, Mapkapk3, MGC20180, P44, p44-erk, P44ERK1, P44MAPK, PRKM3

Gene Summary

  • Human (5595): The protein encoded by this gene is a member of the MAP kinase family. MAP kinases, also known as extracellular signal-regulated kinases (ERKs), act in a signaling cascade that regulates various cellular processes such as proliferation, differentiation, and cell cycle progression in response to a variety of extracellular signals. This kinase is activated by upstream kinases, resulting in its translocation to the nucleus where it phosphorylates nuclear targets. Alternatively spliced transcript variants encoding different protein isoforms have been described. [provided by RefSeq]
  • Rat (50689): kinase involved in intracellular signalling; component of Mapk signalling pathway [RGD]

Cell Regulation

Regulates:
  • ELK1
  • FOS
  • JUN
View all 677 in IPA
Regulated by:
  • EGF
  • PD98059
  • Map2k1/2
View all 2573 in IPA
Binds:
  • MAP2K1
  • KSR1
  • Mek
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Role in cell:
  • proliferation
  • apoptosis
  • migration
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Disease:
  • neoplasia
  • Cancer
  • leiomyoma
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Biological Process

cartilage development, cell cycle, interspecies interaction between organisms, intracellular signaling cascade, lipopolysaccharide-mediated signaling pathway, MAPKKK cascade, nuclear translocation of MAPK, organ morphogenesis, phosphorylation, positive regulation of transcription, positive regulation of translation, protein amino acid phosphorylation, protein kinase cascade, Ras protein signal transduction, regulation of transcription factor activity, response to DNA damage stimulus, response to exogenous dsRNA, response to lipopolysaccharide, sensory perception of pain, signal transduction

Cellular Components

cytoplasm, cytoskeleton, cytosol, insoluble fraction, nucleolus, nucleoplasm, nucleus, protein complex, soluble fraction

Literature References

  • 15616583Chen CH, Wang WJ, Kuo JC, Tsai HC, Lin JR, Chang ZF, Chen RH. Bidirectional signals transduced by DAPK-ERK interaction promote the apoptotic effect of DAPK.EMBO J 2005 Jan 26;24(2):294-304
  • 12598680Segal RA. Selectivity in neurotrophin signaling: theme and variations.Annu Rev Neurosci 2003 Jan 01;26:299-330
  • 11807174Juliano RL. Signal transduction by cell adhesion receptors and the cytoskeleton: functions of integrins, cadherins, selectins, and immunoglobulin-superfamily members.Annu Rev Pharmacol Toxicol 2002;42:283-323
  • View 17490 categorized literature findings and their references in IPA

Molecular Functions

ATP binding, kinase activity, MAP kinase activity, nucleotide binding, phosphotyrosine binding, protein binding, protein kinase activity, protein serine/threonine kinase activity, transcription factor activity, transferase activity

Pathways

Protein Domains

Alcohol group acceptor phosphotransferase, ATP binding, kinase, MAP kinase, protein binding, Protein kinase, protein serine/threonine kinase, transcription factor

Subcellular Locations

cytoplasm, cytoplasmic fraction, cytoskeletal fraction, cytoskeleton, cytosol, cytosolic fraction, meiotic spindles, mitochondria, nucleus, soluble fraction