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Mouse ERK2 / MAPK1 / MAPK2 Protein

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Mouse ERK2 Protein Product Information
Synonym:ERK; Erk2; MAPK2; PRKM2; Prkm1
Protein Construction:A DNA sequence encoding the mouse MAPK1(P63085) (Met1-Ser358) was expressed and purified with two additional amino acids (Gly & Pro ) at the N-terminus.
Expressed Host:Baculovirus-Insect Cells
Shipping:Kinases are highly recommended to be shipped at frozen temperature with blue ice or dry ice.
Shipment made at ambient temperature may seriously affect the activity of the ordered products.
Mouse ERK2 Protein QC Testing
Purity:> 95 % as determined by SDS-PAGE
Bio-Activity:Kinase activity untested
Endotoxin:< 1.0 EU per μg of the protein as determined by the LAL method
Stability:Samples are stable for up to twelve months from date of receipt at -70℃
Predicted N Terminal:Gly
Molecule Mass:The recombinant mouse MAPK1 consists of 360 amino acids and predicts a molecular mass of 41.4 KDa. It migrates as an approximately 37 KDa band in SDS-PAGE under reducing conditions.
Formulation:Lyophilized from sterile 20mM Tris, 500mM NaCl, 10% gly, pH 8.0.
1. Normally 5 % - 8 % trehalose and mannitol are added as protectants before lyophilization. Specific concentrations are included in the hardcopy of COA.
2. Please contact us for any concerns or special requirements.
Mouse ERK2 Protein Usage Guide
Storage:Store it under sterile conditions at -20℃ to -80℃. It is recommended that the protein be aliquoted for optimal storage. Avoid repeated freeze-thaw cycles.
Reconstitution:A hardcopy of COA with reconstitution instruction is sent along with the products. Please refer to it for detailed information.
Mouse ERK2 Protein SDS-PAGE
Mouse ERK2 / MAPK1 / MAPK2 Protein SDS-PAGE
Other ERK2 Recombinant Protein Products
ERK2 / MAPK1 / MAPK2 Background

MAP kinases, also known as extracellular signal-regulated kinases (ERKs), act as an integration point for multiple biochemical signals, and are involved in a wide variety of cellular processes such as proliferation, differentiation, transcription regulation and development. ERK is a versatile protein kinase that regulates many cellular functions. Growing evidence suggests that extracellular signal-regulated protein kinase 1/2 (ERK1/2) plays a crucial role in promoting cell death in a variety of neuronal systems, including neurodegenerative diseases. It is believed that the magnitude and the duration of ERK1/2 activity determine its cellular function. Activation of ERK1/2 are implicated in the pathophysiology of spinal cord injury (SCI). ERK2 signaling is a novel target associated with the deleterious consequences of spinal injury. ERK-2, also known as Mitogen-activated protein kinase 1 (MAPK1), is a member of the protein kinase superfamily and MAP kinase subfamily. MKP-3 is a dual specificity phosphatase exclusively specific to MAPK1 for its substrate recognition and dephosphorylating activity. The activation of MAPK1 requires its phosphorylation by upstream kinases. Upon activation, MAPK1 translocates to the nucleus of the stimulated cells, where it phosphorylates nuclear targets. MAPK1 is involved in both the initiation and regulation of meiosis, mitosis, and postmitotic functions in differentiated cells by phosphorylating a number of transcription factors such as ELK1. MAPK1 acts as a transcriptional repressor which represses the expression of interferon gamma-induced genes. Transcriptional activity is independent of kinase activity. The nuclear-cytoplasmic distribution of ERK2 is regulated in response to various stimuli and changes in cell context. Furthermore, the nuclear flux of ERK2 occurs by several energy- and carrier-dependent and -independent mechanisms. ERK2 has been shown to translocate into and out of the nucleus by facilitated diffusion through the nuclear pore, interacting directly with proteins within the nuclear pore complex, as well as by karyopherin-mediated transport. ERK2 interacts with the PDE4 catalytic unit by binding to a KIM (kinase interaction motif) docking site located on an exposed beta-hairpin loop and an FQF (Phe-Gln-Phe) specificity site located on an exposed alpha-helix. These flank a site that allows phosphorylation by ERK, the functional outcome of which is orchestrated by the N-terminal UCR1/2 (upstream conserved region 1 and 2) modules.

Mouse ERK2 / MAPK1 / MAPK2 References
  • Houslay MD, et al. (2003) The role of ERK2 docking and phosphorylation of PDE4 cAMP phosphodiesterase isoforms in mediating cross-talk between the cAMP and ERK signalling pathways. Biochem Soc Trans. 31(Pt 6): 1186-90.
  • Jivan A, et al. (2010) Reconstitution of the Nuclear Transport of the MAP Kinase ERK2. Methods Mol Biol. 661: 273-85.
  • Yu CG, et al. (2010) Involvement of ERK2 in traumatic spinal cord injury. J Neurochem. 113(1): 131-42.
  • Subramaniam S, et al. (2010) ERK and cell death: ERK1/2 in neuronal death. FEBS J. 277(1): 22-9.
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    Catalog: 50445-MNCB-20
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