Details of the Drug Therapeutic Target (DTT)
General Information of Drug Therapeutic Target (DTT) (ID: TTHS0U8)
DTT Name | Stress-activated protein kinase JNK2 (JNK2) | ||||
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Synonyms |
Stress-activated protein kinase 1a; SAPK1a; PRKM9; Mitogen-activated protein kinase 9; Mitogen-activated protein kinase 8-interacting protein 2; MAPK 9; MAP kinase 9; Jun-N-terminal kinase 2; JNK-interacting protein 2; JNK-55; JNK MAP kinase scaffold protein 2; JIP-2; Islet-brain-2; IB-2; C-jun-amino-terminal kinase interacting protein 2; C-Jun N-terminal kinase 2
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Gene Name | MAPK9 | ||||
DTT Type |
Preclinical target
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BioChemical Class |
Kinase
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UniProt ID | |||||
TTD ID | |||||
3D Structure | |||||
EC Number |
EC 2.7.11.24
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Sequence |
MSDSKCDSQFYSVQVADSTFTVLKRYQQLKPIGSGAQGIVCAAFDTVLGINVAVKKLSRP
FQNQTHAKRAYRELVLLKCVNHKNIISLLNVFTPQKTLEEFQDVYLVMELMDANLCQVIH MELDHERMSYLLYQMLCGIKHLHSAGIIHRDLKPSNIVVKSDCTLKILDFGLARTACTNF MMTPYVVTRYYRAPEVILGMGYKENVDIWSVGCIMGELVKGCVIFQGTDHIDQWNKVIEQ LGTPSAEFMKKLQPTVRNYVENRPKYPGIKFEELFPDWIFPSESERDKIKTSQARDLLSK MLVIDPDKRISVDEALRHPYITVWYDPAEAEAPPPQIYDAQLEEREHAIEEWKELIYKEV MDWEERSKNGVVKDQPSDAAVSSNATPSQSSSINDISSMSTEQTLASDTDSSLDASTGPL EGCR |
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Function |
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. Phosphorylates POU5F1, which results in the inhibition of POU5F1's transcriptional activity and enhances its proteosomal degradation. Serine/threonine-protein kinase involved in various processes such as cell proliferation, differentiation, migration, transformation and programmed cell death.
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KEGG Pathway |
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Reactome Pathway | |||||
Molecular Interaction Atlas (MIA) of This DTT
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26 Patented Agent(s) Targeting This DTT
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1 Preclinical Drug(s) Targeting This DTT
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1 Investigative Drug(s) Targeting This DTT
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References