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Home / Primary Antibodies

MAP2K4 Antibody

SKU : BHA10557531

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CUSABIO TECHONOLOGY LLC

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Mfr.No.	CSB-PA788410
Alternative Names	JNKK1; MEK4; MKK4; PRKMK4; SERK1
Categories	Primary Antibodies
Clonality	polyclonal
Description	SAPK/Erk kinase (SEK1), also known as MKK4 or Jun kinase kinase (JNKK), activates the MAP kinase homologues SAPK and JNK in response to various cellular stresses and inflamatory cytokines (1-3). Activation of SEK1 occurs through MEKK phosphorylation of serine and threonine residues at positions 257 and 261, respectively. Like MEK, SEK is a dual-specificity protein kinase that phosphorylates SAPK/JNK at a conserved TPY site in its activation loop (4). Phosphorylation by Akt at Ser80 inhibits SEK1 and suppresses stress-activated signal transduction (5).Davis, R.J. (1994) Trends Biochem. Sci. 19, 470-473. Sanchez, I. et al. (1994) Nature 372, 794-798. Yan, M. et al. (1994) Nature 372, 798-800. Kyriakis, J.M. et al. (1994) Nature 369, 156-160. Park, H. et al. (2002) J. Biol. Chem. 277, 2573-2578.
Host	Rabbit
Immunogen	Peptide sequence around aa.352~356(E-S-K-R-P)derived from Human MAP2K4.
Raised In	Rabbit
Reactivity	Human, Mouse, Rat
Regulatory	RUO
Relevance	SAPK/Erk kinase (SEK1), also known as MKK4 or Jun kinase kinase (JNKK), activates the MAP kinase homologues SAPK and JNK in response to various cellular stresses and inflamatory cytokines (1-3). Activation of SEK1 occurs through MEKK phosphorylation of serine and threonine residues at positions 257 and 261, respectively. Like MEK, SEK is a dual-specificity protein kinase that phosphorylates SAPK/JNK at a conserved TPY site in its activation loop (4). Phosphorylation by Akt at Ser80 inhibits SEK1 and suppresses stress-activated signal transduction (5). Davis, R.J. (1994) Trends Biochem. Sci. 19, 470-473. Sanchez, I. et al. (1994) Nature 372, 794-798. Yan, M. et al. (1994) Nature 372, 798-800. Kyriakis, J.M. et al. (1994) Nature 369, 156-160. Park, H. et al. (2002) J. Biol. Chem. 277, 2573-2578.
Species	Homo Sapiens (Human)
Specificity	The antibody detects endogenous levels of total MAP2K4 protein.
Subcellular Location	Cytoplasm, Nucleus

Uniprot	P45985
Database Links	HGNC:6844 OMIM:601335 KEGG:hsa:6416 STRING:9606.ENSP00000262445 UniGene:Hs.514681
Function	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.
Pathway	ErbB signaling pathway MAPK signaling pathway TNF signaling pathway Fc epsilon RI signaling pathway Toll-like receptor signaling pathway
Protein Families	Protein kinase superfamily, STE Ser/Thr protein kinase family, MAP kinase kinase subfamily
Tissue Specificity	Abundant expression is seen in the skeletal muscle. It is also widely expressed in other tissues.

Buffer	Supplied at 1.0mg/mL in phosphate buffered saline (without Mg2+ and Ca2+), pH 7.4, 150mM NaCl, 0.02% sodium azide and 50% glycerol.
Form	Supplied at 1.0mg/mL in phosphate buffered saline (without Mg2+ and Ca2+), pH 7.4, 150mM NaCl, 0.02% sodium azide and 50% glycerol.
Format	liquid
Purification	Antibodies were produced by immunizing rabbits with synthetic peptide and KLH conjugates. Antibodies were purified by affinity-chromatography using epitope-specific peptide.
Purity	Antibodies were produced by immunizing rabbits with synthetic peptide and KLH conjugates. Antibodies were purified by affinity-chromatography using epitope-specific peptide.
Storage	Upon receipt, store at -20°C or -80°C. Avoid repeated freeze.

Applications

ELISA, WB

Description

ELISA ; WB, WB ; ELISA

Dilution

WB	1:500-1:1000

Tested Application

ELISA,WB;WB:1:500-1:1000

Datasheet
ELISA Protocol
Western Blotting(WB) Protocol

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SKU	Supplier No.	Size	Your price	Quantity
BHA10557531	CSB-PA788410	100ul	$297		Add to Cart

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