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5136
Phospho-SAPK/JNK (Thr183/Tyr185) (G9) Mouse mAb (Biotinylated)
Antibody Conjugates

Phospho-SAPK/JNK (Thr183/Tyr185) (G9) Mouse mAb (Biotinylated) #5136

This product is discontinued

Storage:

Supplied in 136 mM NaCl, 2.6 mM KCI, 12 mM sodium phosphate (pH 7.4) dibasic, 2 mg/ml BSA, and 50% glycerol. Store at –20°C. Do not aliquot the antibodies.

Phospho-SAPK/JNK (Thr183/Tyr185) (G9) Mouse mAb (Biotinylated) detects endogenous levels of p46 and p54 SAPK/JNK dually phosphorylated at Thr183 and Tyr185. This antibody does not recognize endogenous levels of phosphorylated p44/42 MAPK or p38 MAP kinase.

Monoclonal antibody is produced by immunizing animals with a synthetic phosphopeptide corresponding to residues surrounding Thr183/Tyr185 of human SAPK/JNK protein.

This Cell Signaling Technology antibody is conjugated to biotin under optimal conditions. The antibody is expected to exhibit the same species cross-reactivity as the unconjugated antibody Phospho-SAPK/JNK (Thr183/Tyr185) (G9) Mouse mAb #9255.

The stress-activated protein kinase/Jun-amino-terminal kinase SAPK/JNK is potently and preferentially activated by a variety of environmental stresses including UV and gamma radiation, ceramides, inflammatory cytokines, and in some instances, growth factors and GPCR agonists (1-6). As with the other MAPKs, the core signaling unit is composed of a MAPKKK, typically MEKK1-MEKK4, or by one of the mixed lineage kinases (MLKs), which phosphorylate and activate MKK4/7. Upon activation, MKKs phosphorylate and activate the SAPK/JNK kinase (2). Stress signals are delivered to this cascade by small GTPases of the Rho family (Rac, Rho, cdc42) (3). Both Rac1 and cdc42 mediate the stimulation of MEKKs and MLKs (3). Alternatively, MKK4/7 can be activated in a GTPase-independent mechanism via stimulation of a germinal center kinase (GCK) family member (4). There are three SAPK/JNK genes each of which undergoes alternative splicing, resulting in numerous isoforms (3). SAPK/JNK, when active as a dimer, can translocate to the nucleus and regulate transcription through its effects on c-Jun, ATF-2, and other transcription factors (3,5).

  1. Davis, R.J. (1999) Biochem Soc Symp 64, 1-12.
  2. Ichijo, H. (1999) Oncogene 18, 6087-93.
  3. Kyriakis, J.M. and Avruch, J. (2001) Physiol Rev 81, 807-69.
  4. Kyriakis, J.M. (1999) J Biol Chem 274, 5259-62.
  5. Leppä, S. and Bohmann, D. (1999) Oncogene 18, 6158-62.
  6. Whitmarsh, A.J. and Davis, R.J. (1998) Trends Biochem Sci 23, 481-5.
Entrez-Gene Id
5599
Swiss-Prot Acc.
P45983
For Research Use Only. Not For Use In Diagnostic Procedures.

Cell Signaling Technology is a trademark of Cell Signaling Technology, Inc.

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