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MKK4 Antibody (C-term)Rabbit Monoclonal Antibody

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United States
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Ordering Information
Catalog # Size Availability Price  
AJ1483b 100ul 400 ul 2-3 days $ 315.00 Add to cart
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MKK4 Antibody (C-term) - Product info

ApplicationWB, IHC
  • Applications Legend:
  • W=Western Blotting
  • IP=Immunoprecipitation
  • IHC-P=Immunohistochemistry (Paraffin)
  • IF-IC=Immunofluorescence (Immunocytochemistry)
  • F=Flow Cytometry
Primary AccessionP45985
ReactivityHuman, Mouse, Rat
Clone NamesEP615Y
Calculated MW44288 Da
Gene ID 6416
Other Names
MAP2K4, JNKK1, MKK4, PRKMK4, SERK1, Dual specificity mitogen-activated protein kinase kinase 4, SAPK/ERK kinase 1
Target/Specificity
A synthetic peptide corresponding to residues in the C-term of human MKK4 was used as immunogen.
Dilution
WB~~1:1000
IHC~~1:50~100
Format
50 mM Tris-Glycine (pH 7.4), 0.15 M NaCl, 40% Glycerol, 0.01% sodium azide and 0.05% BSA.
Storage
Maintain refrigerated at 2-8°C for up to 6 months. For long term storage store at -20°C in small aliquots to prevent freeze-thaw cycles.
Precautions
MKK4 Antibody (C-term) is for research use only and not for use in diagnostic or therapeutic procedures.

MKK4 Antibody (C-term) - Protein Information

Name MAP2K4
Synonyms JNKK1, MEK4, MKK4, PRKMK4, SEK1, SERK1,
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
Cellular Location
Cytoplasm (By similarity). Nucleus (By similarity)
Tissue Location
Abundant expression is seen in the skeletal muscle. It is also widely expressed in other tissues

MKK4 Antibody (C-term) - Related products

AP3344a: Phospho-MAP2K4-S80 Antibody

AP7916d: MEKK4 (MAP2K4) Antibody (S257)

RI13157: MAP2K4 predesign siRNA

BP3344a: Phospho-MAP2K4-S80 (Antibody Blocking Peptide

BP7916d: MAP2K4 Antibody (S257) Blocking Peptide

AO1082a: MAP2K4 Antibody

AJ1483a: MKK4 Antibody

AJ1483b: MKK4 Antibody (C-term)

AJ1710a: SEK (MEKK4) Antibody Phospho (pS80)

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BACKGROUND

MKK4, also known as JNKK1 and SEK1, is a dual specificity kinase that belongs to the Ser/Thr protein kinase family. MKK4 is a direct activator of MAP kinases in response to various environmental stresses or mitogenic stimuli. MKK4 phosphorylate and activate p38 MAP kinase and JNK but not ERK 1/2 (1-2). JNK is activated by dual phosphorylation at Thr and Tyr by MKK4 and MKK7; although MKK4 will preferentially phosphorylate Tyr (3). MKK4 is also known to be a tumor suppressor, as mutations inactivating the MKK4 gene have been found in 5% of a wide variety of tumor types (4).

REFERENCES

1. Lin, et al. Science 268: 286-290, 1995
2. Sanchez I, Hughes RT, Mayer BJ, et al Nature (Lond) 1994;372:794-8
3. Lawler, S., Fleming, Y., Goedert, M., and Cohen, P. (1998) Curr. Biol. 8, 1387
4. Yoshida et al. (1999) Cancer Res. 59, 5483