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Phospho-JNK1 (pY185) / JNK2 (pY185) /JNK3 (pY223) Antibody

Rabbit Monoclonal Antibody

  • WB - Phospho-JNK1 (pY185) / JNK2 (pY185) /JNK3 (pY223) Antibody AJ1424a
    A. Western blot analysis on Hek293 cell lysates using anti-JNK3 Phospho (pS223) RabMAb (Cat. #AJ1424a), 1:20,000 dilution. Cells were either (A) untreated (B) treated with UV.
Product Information
  • Applications Legend:
  • WB=Western Blot
  • IHC=Immunohistochemistry
  • IHC-P=Immunohistochemistry (Paraffin-embedded Sections)
  • IHC-F=Immunohistochemistry (Frozen Sections)
  • IF=Immunofluorescence
  • FC=Flow Cytopmetry
  • IC=Immunochemistry
  • ICC=Immunocytochemistry
  • IP=Immunoprecipitation
  • DB=Dot Blot
  • CHIP=Chromatin Immunoprecipitation
  • FA=Fluorescence Assay
  • IEM=Immunoelectronmicroscopy
  • EIA=Enzyme Immunoassay
Primary Accession P53779
Reactivity Human, Mouse, Rat
Host Rabbit
Clonality Monoclonal
Clone Names EP1597Y
Calculated MW 52585 Da
Gene ID 5602
Other Names Mitogen-activated protein kinase 10, MAP kinase 10, MAPK 10, MAP kinase p49 3F12, Stress-activated protein kinase 1b, SAPK1b, Stress-activated protein kinase JNK3, c-Jun N-terminal kinase 3, MAPK10, JNK3, JNK3A, PRKM10, SAPK1B
Target/Specificity A synthetic phospho-peptide corresponding to residues surrounding tyrosine 223 of human JNK3 was used as immunogen. The antibody will detect JNK1 (pY185), JNK2(pY185) and JNK3 (pY223).
Dilution WB~~1:1000
Format 50 mM Tris-Glycine (pH 7.4), 0.15 M NaCl, 40% Glycerol, 0.01% sodium azide and 0.05% BSA.
StorageMaintain 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.
PrecautionsPhospho-JNK1 (pY185) / JNK2 (pY185) /JNK3 (pY223) Antibody is for research use only and not for use in diagnostic or therapeutic procedures.
Protein Information
Name MAPK10
Synonyms JNK3, JNK3A, PRKM10, SAPK1B
Function Serine/threonine-protein kinase involved in various processes such as neuronal proliferation, differentiation, migration and programmed cell death. Extracellular stimuli such as proinflammatory cytokines or physical stress stimulate the stress- activated protein kinase/c-Jun N-terminal kinase (SAP/JNK) signaling pathway. In this cascade, two dual specificity kinases MAP2K4/MKK4 and MAP2K7/MKK7 phosphorylate and activate MAPK10/JNK3. In turn, MAPK10/JNK3 phosphorylates a number of transcription factors, primarily components of AP-1 such as JUN and ATF2 and thus regulates AP-1 transcriptional activity. Plays regulatory roles in the signaling pathways during neuronal apoptosis. Phosphorylates the neuronal microtubule regulator STMN2. Acts in the regulation of the beta-amyloid precursor protein/APP signaling during neuronal differentiation by phosphorylating APP. Participates also in neurite growth in spiral ganglion neurons. Phosphorylates the CLOCK-ARNTL/BMAL1 heterodimer and plays a role in the photic regulation of the circadian clock (PubMed:22441692).
Cellular Location Cytoplasm. Membrane; Lipid-anchor. Nucleus. Mitochondrion. Note=Palmitoylation regulates MAPK10 trafficking to cytoskeleton. Recruited to the mitochondria in the presence of SARM1 (By similarity).
Tissue Location Specific to a subset of neurons in the nervous system. Present in the hippocampus and areas, cerebellum, striatum, brain stem, and weakly in the spinal cord. Very weak expression in testis and kidney
Research Areas
Citations (0)

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C-Jun N-terminal kinases (JNK) are distantly related to mitogen-activated protein kinases (ERKs) and are activated by dual phosphorylation on Tyr and Thr. The JNK protein kinase group consists of three isoforms (JNK1, 2, and 3) and regulates transcription activity of the AP-1 complex, and release and regulation of cytochome c (1). JNK becomes activated in vivo in response to pro-inflammatory cytokines or cellular stresses. Its full activation requires the phosphorylation of a threonine and a tyrosine residue in a Thr-Pro-Tyr motif, which can be catalysed by the protein kinases mitogen-activated protein kinase kinase MKK4 and MKK7 (2). Unlike other JNK isoforms, JNK3 is only expressed in the heart and nervous system. JNK3 has been implicated in stress-induced neuronal apoptosis (3).


1. Kuan CY, et al. PNAS 100(25):15184-89, 2003
2. Fleming Y, et al. Biochem J 352(Pt1):145-54, 2000
3. Gupta S, et al. EMBO J. 15:2760-2770, 1996.

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Cat# AJ1424a
(40 western blots)
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