> Antigen, Antibodies, ELISA, Western Blot > Primary Antibody > Polyclonal Antibodies > Phospho-JNK/SAPK AntibodyBrand |
Leading Biology | Catalog Number |
APR09183G |
Product Type |
Polyclonal Antibodies | Field of Research |
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Product Overview |
We constantly strive to ensure we provide our customers with the best antibodies. As a result of this work we offer this antibody in purified format.
We are in the process of updating our datasheets. If you have any questions regarding this update, please feel free to contact our technical support team.
This product is a high quality Phospho-JNK/SAPK antibody.
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Molecular Weight |
48139 Da
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Cellular Localization |
Antigen Cellular Localization:
Cytoplasm. Nucleus
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Host |
Rabbit
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Species Reactivity |
Human, Mouse, Rat
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Target |
Phospho-JNK/SAPK
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Isotype |
Rabbit IgG
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Symbol |
JNK2, PRKM9, SAPK1A
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GeneID |
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UniProt ID |
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Function |
Serine/threonine-protein kinase involved in various processes such as cell proliferation, differentiation, migration, transformation 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 MAPK9/JNK2. In turn, MAPK9/JNK2 phosphorylates a number of transcription factors, primarily components of AP-1 such as JUN and ATF2 and thus regulates AP-1 transcriptional activity. In response to oxidative or ribotoxic stresses, inhibits rRNA synthesis by phosphorylating and inactivating the RNA polymerase 1-specific transcription initiation factor RRN3. Promotes stressed cell apoptosis by phosphorylating key regulatory factors including TP53 and YAP1. In T-cells, MAPK8 and MAPK9 are required for polarized differentiation of T-helper cells into Th1 cells. Upon T-cell receptor (TCR) stimulation, is activated by CARMA1, BCL10, MAP2K7 and MAP3K7/TAK1 to regulate JUN protein levels. Plays an important role in the osmotic stress-induced epithelial tight-junctions disruption. When activated, promotes beta-catenin/CTNNB1 degradation and inhibits the canonical Wnt signaling pathway. Participates also in neurite growth in spiral ganglion neurons. Phosphorylates the CLOCK-ARNTL/BMAL1 heterodimer and plays a role in the regulation of the circadian clock (PubMed:22441692).
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Summary |
The JNK pathway is activated by largely distinct stimuli including inflammatory cytokines (such as TNF-α and IL-1), UV light, inhibitors of protein synthesis and osmotic stress. Activated MEKK1 phosphorylates SEK1 (also known as MKK4), which in turn activates SAPK (also known as JNK). JNK binds tightly to the N-terminal region of c-Jun and ATF-2, and phosphorylates c-Jun at Ser63 and Ser73 and ATF-2 at Thr69 and Thr71.
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Form |
Liquid |
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Storage & Stability |
Store at +4°C short term. For long-term storage, aliquot and store at -20°C or below. Stable for 12 months at -20°C. Avoid repeated freeze-thaw cycles.
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Applications |
WB
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Synonyms |
c-Jun kinase, JNK , JNK 1 , JAK1A , MAPK8 , MAPK 8 , SAPK 1 , SAPK1 , Kinase JNK1 , Stress activated protein kinase
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Images |
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Specification |
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Quantity |
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Leading Biology Inc.
2600 Hilltop DR, Building G, B Suite C138
Richmond, CA, 94806
Tel: 1-661-524(LBI)-0262
Email: info@leadingbiology.com
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