Anti-Phospho-MAPK8-Thr-183/Tyr-185 antibody [M268] (STJA0005456)

SKU:
STJA0005456-100

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Host: Mouse
Applications: WB/ICC
Reactivity: Human/Mouse/Rat
Note: STRICTLY FOR FURTHER SCIENTIFIC RESEARCH USE ONLY (RUO). MUST NOT TO BE USED IN DIAGNOSTIC OR THERAPEUTIC APPLICATIONS.
Short Description: Mouse monoclonal antibody anti-Phospho-JNK-Thr-183/Tyr-185 is suitable for use in Western Blot and Immunocytochemistry research applications.
Clonality: Monoclonal
Clone ID: M268
Conjugation: Unconjugated
Isotype: IgG1
Formulation: PBS + 1 mg/ml BSA, 0.05% NaN3 and 50% glycerol
Purification: Antigen Affinity Purified
Dilution Range: WB 1:1000
IHC
ICC 1:100
IP
Storage Instruction: Store at-20°C for up to 1 year from the date of receipt, and avoid repeat freeze-thaw cycles.
Gene Symbol: MAPK8
Gene ID: 5599
Uniprot ID: MK08_HUMAN
Specificity: This antibody detects 46 and 54 kDa* proteins corresponding to the apparent molecular mass of JNK1 and JNK2 on SDS-PAGE immunoblots of human A431 and HeLa cells, as well as rat PC12 cells treated with calyculin A.
Immunogen: Clone M268 was generated from a dual phosphorylated peptide corresponding to amino acid residues surrounding Thr-183 and Tyr-185 in human JNK1. This sequence has high homology to the conserved site in rat and mouse JNK1 and JNK2.
Post Translational Modifications Dually phosphorylated on Thr-183 and Tyr-185 by MAP2K7 and MAP2K4, which activates the enzyme. Phosphorylated by TAOK2. May be phosphorylated at Thr-183 and Tyr-185 by MAP3K1/MEKK1. Phosphorylated form is more concentrated at synapses than none-phosphorylated.
Function Serine/threonine-protein kinase involved in various processes such as cell proliferation, differentiation, migration, transformation and programmed cell death. Extracellular stimuli such as pro-inflammatory 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 MAPK8/JNK1. In turn, MAPK8/JNK1 phosphorylates a number of transcription factors, primarily components of AP-1 such as JUN, JDP2 and ATF2 and thus regulates AP-1 transcriptional activity. Phosphorylates the replication licensing factor CDT1, inhibiting the interaction between CDT1 and the histone H4 acetylase HBO1 to replication origins. Loss of this interaction abrogates the acetylation required for replication initiation. Promotes stressed cell apoptosis by phosphorylating key regulatory factors including p53/TP53 and Yes-associates protein YAP1. In T-cells, MAPK8 and MAPK9 are required for polarized differentiation of T-helper cells into Th1 cells. Contributes to the survival of erythroid cells by phosphorylating the antagonist of cell death BAD upon EPO stimulation. Mediates starvation-induced BCL2 phosphorylation, BCL2 dissociation from BECN1, and thus activation of autophagy. Phosphorylates STMN2 and hence regulates microtubule dynamics, controlling neurite elongation in cortical neurons. In the developing brain, through its cytoplasmic activity on STMN2, negatively regulates the rate of exit from multipolar stage and of radial migration from the ventricular zone. Phosphorylates several other substrates including heat shock factor protein 4 (HSF4), the deacetylase SIRT1, ELK1, or the E3 ligase ITCH. Phosphorylates the CLOCK-BMAL1 heterodimer and plays a role in the regulation of the circadian clock. Phosphorylates the heat shock transcription factor HSF1, suppressing HSF1-induced transcriptional activity. Phosphorylates POU5F1, which results in the inhibition of POU5F1's transcriptional activity and enhances its proteasomal degradation. Phosphorylates JUND and this phosphorylation is inhibited in the presence of MEN1. In neurons, phosphorylates SYT4 which captures neuronal dense core vesicles at synapses. Phosphorylates EIF4ENIF1/4-ET in response to oxidative stress, promoting P-body assembly. Phosphorylates SIRT6 in response to oxidative stress, stimulating its mono-ADP-ribosyltransferase activity. Phosphorylates NLRP3, promoting assembly of the NLRP3 inflammasome. JNK1 isoforms display different binding patterns: beta-1 preferentially binds to c-Jun, whereas alpha-1, alpha-2, and beta-2 have a similar low level of binding to both c-Jun or ATF2. However, there is no correlation between binding and phosphorylation, which is achieved at about the same efficiency by all isoforms.
Protein Name Mitogen-Activated Protein Kinase 8
Map Kinase 8
Mapk 8
Jnk-46
Stress-Activated Protein Kinase 1c
Sapk1c
Stress-Activated Protein Kinase Jnk1
C-Jun N-Terminal Kinase 1
Database Links Reactome: R-HSA-111446
Reactome: R-HSA-139910
Reactome: R-HSA-193648
Reactome: R-HSA-205043
Reactome: R-HSA-2559580
Reactome: R-HSA-2871796
Reactome: R-HSA-376172
Reactome: R-HSA-450321
Reactome: R-HSA-450341
Reactome: R-HSA-5693565
Reactome: R-HSA-9007892
Reactome: R-HSA-9673324
Cellular Localisation Cytoplasm
Nucleus
Synapse
In The Cortical Neurons
Predominantly Cytoplasmic And Associated With The Golgi Apparatus And Endosomal Fraction
Increased Neuronal Activity Increases Phosphorylated Form At Synapses
Colocalizes With Pou5f1 In The Nucleus
Alternative Antibody Names Anti-Mitogen-Activated Protein Kinase 8 antibody
Anti-Map Kinase 8 antibody
Anti-Mapk 8 antibody
Anti-Jnk-46 antibody
Anti-Stress-Activated Protein Kinase 1c antibody
Anti-Sapk1c antibody
Anti-Stress-Activated Protein Kinase Jnk1 antibody
Anti-C-Jun N-Terminal Kinase 1 antibody
Anti-MAPK8 antibody
Anti-JNK1 antibody
Anti-PRKM8 antibody
Anti-SAPK1 antibody
Anti-SAPK1C antibody

Information sourced from Uniprot.org

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