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Mouse MKK4 / MEK4 / MAP2K4 Protein (His & GST Tag)

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MAP2K4Protein Product Information
Synonym:RP23-340L19.1, JNKK1, MEK4, MKK4, PRKMK4, Sek1, Serk1
Protein Construction:A DNA sequence encoding the mouse MAP2K4 (P47809) (Ala 2-Asp 397) was fused with the N-terminal polyhistidine-tagged GST tag at the N-terminus.
Expressed Host:Baculovirus-Insect Cells
Form & Shipping:In general, recombinant proteins are provided as lyophilized powder which are shipped at ambient temperature.
Bulk packages of recombinant proteins are provided as frozen liquid. They are shipped out with blue ice unless customers require otherwise.
MAP2K4Protein QC Testing
Purity:> 90 % as determined by SDS-PAGE
Bio-Activity:No Kinase Activity
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:Met
Molecule Mass:The secreted recombinant mouse MAP2K4/GST chimera consists of 633 amino acids and has a calculated molecular mass of 72 kDa. The recombinant protein migrates as an approximately 65 kDa band in SDS-PAGE under reducing conditions.
Formulation:Lyophilized from sterile 20mM Tris, 500mM NaCl, pH 8.5
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.
MAP2K4Protein 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 dual specificity mitogen-activated protein kinase kinase 4, also known as MAP kinase kinase 4, MAPKK4, JNK-activating kinase 1, MAPK/ERK kinase 4, SAPK/ERK kinase 1, c-Jun N-terminal kinase kinase 1, JNKK and MAP2K4, is a protein which belongs to the protein kinase superfamily, STE Ser/Thr protein kinase family and MAP kinase kinase subfamily. MAP2K4 / JNKK1 is a protein kinase which is a direct activator of MAP kinases in response to various environmental stresses or mitogenic stimuli. MAP2K4 / JNKK1 has been shown to activate MAPK8 / JNK1, MAPK9 / JNK2, and MAPK14 / p38, but not MAPK1 / ERK2 or MAPK3 / ERK1. MAP2K4 / JNKK1 is phosphorylated, and thus activated by MAP3K1 / MEKK. The stress-activated protein kinase (SAPK) pathways represent phosphorylation cascades that convey pro-apoptotic signals. The mitogen-activated protein kinase kinase (MAPKK) homolog MAP2K4 ( MKK4, SEK, JNKK1 ) is a centrally-placed mediator of the SAPK pathways.

  • Lin A, et al.,1995, Science 268 (5208): 286-90.
  • Su,G.H. et al., 2002, Hum Mutat. 19 (1):81.
  • Lee, et al., 2002, Proc. Natl. Acad. Sci. USA. 99 (22): 14189-94.
  • Bouzakri,K. et al., 2007, J Biol Chem. 282 (11):7783-9.
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