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|Tested species reactivity||Human, Mouse, Rat|
|Host / Isotype||Rabbit / IgG|
|Immunogen||A synthesized peptide derived from human SEK1/MKK4 around the phosphorylation site of Serine 80|
|Purification||Antigen affinity chromatography|
|Storage buffer||PBS, pH 7.5, with 50% glycerol|
|Contains||0.02% sodium azide|
|Storage Conditions||-20° C, Avoid Freeze/Thaw Cycles|
|Tested Applications||Dilution *|
|Western Blot (WB)||1:500-1:2000|
* Suggested working dilutions are given as a guide only. It is recommended that the user titrate the product for use in their own experiment using appropriate negative and positive controls.
Concentration is lot-specific and will vary from 0.5-0.6 mg/ml
Dual specificity protein kinase which acts as an essential component of the MAP kinase signal transduction pathway. Essential component of the stress-activated protein kinase/c-Jun N-terminal kinase (SAP/JNK) signaling pathway. With MAP2K7/MKK7, is the one of the only known kinase to directly activate the stress-activated protein kinase/c-Jun N-terminal kinases MAPK8/JNK1, MAPK9/JNK2 and MAPK10/JNK3. MAP2K4/MKK4 and MAP2K7/MKK7 both activate the JNKs by phosphorylation, but they differ in their preference for the phosphorylation site in the Thr-Pro-Tyr motif. MAP2K4 shows preference for phosphorylation of the Tyr residue and MAP2K7/MKK7 for the Thr residue. The phosphorylation of the Thr residue by MAP2K7/MKK7 seems to be the prerequisite for JNK activation at least in response to proinflammatory cytokines, while other stimuli activate both MAP2K4/MKK4 and MAP2K7/MKK7 which synergistically phosphorylate JNKs. MAP2K4 is required for maintaining peripheral lymphoid homeostasis. The MKK/JNK signaling pathway is also involved in mitochondrial death signaling pathway, including the release cytochrome c, leading to apoptosis. Whereas MAP2K7/MKK7 exclusively activates JNKs, MAP2K4/MKK4 additionally activates the p38 MAPKs MAPK11, MAPK12, MAPK13 and MAPK14.
For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.
C-JUN N-terminal kinase kinase 1; Dual specificity mitogen-activated protein kinase kinase 4; JN; JNK activating kinase 1; JNK kinase 1; JNK-activated kinase 1; JNK-activating kinase 1; JNKK; JNKK 1; MAP kinase kinase 4; MAP2K4; MAPK/ERK kinase 4; MAPKK 4; MEK 4; mitogen activated protein kinase kinase 4, variant 1; SAPK kinase 1; SAPK/ERK kinase 1; SAPK/Erk/kinase 1; SAPKK-1; SAPKK1; SEK1; stress-activated protein kinase kinase 1
JNKK; JNKK1; MAPKK4; MEK4; MKK4; PRKMK4; SAPKK-1; SAPKK1; SEK1; SERK1; SKK1