产品名称 | MAPK8 Mitogen-Activated Protein Kinase 8 Human Recombinant Protein |
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产品描述 | MAPK8 Human Recombinant produced in E.Coli is a single, non-glycosylated polypeptide chain containing 450 amino acids (1-427a.a) and having a molecular mass of 50.5kDa. MAPK8 is fused to a 23 amino acid His-tag at N-terminus & purified by proprietary chromatographic techniques. |
文献引用格式 | MAPK8 Mitogen-Activated Protein Kinase 8 Human Recombinant Protein (Boster Biological Technology, Wuhan, China. Catalog #PROTP45983) |
应用范围 | Cell Culture |
抗体来源 | No |
产品形态 | Sterile Filtered colorless solution. |
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内容 | MAPK8 solution (0.5mg/ml) contains Phosphate Buffer Saline (pH7.4), 20% glycerol and 1mM DTT. *可以提供无载体抗体。 |
储存条件 | Store in -20°C for long term storage. After reconstitution, store in 4°C for short term usage within a few days. Avoid freeze-thaw cycles. |
基因名 | MAPK8 |
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基因全名 | Mitogen-activated protein kinase 8 |
蛋白功能 | 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 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-ARNTL/BMAL1 heterodimer and plays a role in the regulation of the circadian clock (PubMed:22441692). |
Uniprot ID | MAPK8: P45983 |
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