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- bs-23003P
- 2025年10月16日
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500ug
| 产品编号 | bs-23003P |
| 英文名称 | JAK2 Antibody Blocking Peptide |
| 中文名称 | 蛋白质酪氨酸激酶JAK2封闭多肽 |
| 英文别名 | Tyrosine protein kinase JAK2; JAK 2; JAK-2; JAK2; JAK2_HUMAN; Janus Activating Kinase 2; Janus Kinase 2; JTK 10; JTK10; OTTHUMP00000043260; Tyrosine-protein kinase JAK2; Tyrosine protein kinase JAK2. |
| 纯化方法 | HPLC |
| 研究领域 | Cancer > Cell cycle > Cell cycle inhibitors Cancer > Cell cycle > Kinases/phosphatases Cancer > Oncoproteins/suppressors > Oncoproteins > Signal transducers Cell Biology > Cell Cycle > Cell Cycle Inhibitors Cell Biology > Cell Cycle > Kinases/Phosphatases Epigenetics and Nuclear Signaling > Nuclear Signaling Pathways > STATs Microbiology > Organism > Virus > RNA Virus > ssRNA positive strand virus > SARS Coronavirus Signal Transduction > Protein Phosphorylation > Tyrosine Kinases |
| 亚基 | Interacts with EPOR, LYN, SIRPA, SH2B1 and TEC (By similarity). Interacts with IL23R, SKB1 and STAM2. |
| 亚细胞定位 | Endomembrane system; Peripheral membrane protein (By similarity). Cytoplasm. Nucleus. |
| 组织特异性 | Ubiquitously expressed throughout most tissues. |
| 翻译后修饰 | Autophosphorylated, leading to regulate its activity. Leptin promotes phosphorylation on tyrosine residues, including phosphorylation on Tyr-813. Autophosphorylation on Tyr-119 in response to EPO down-regulates its kinase activity. Autophosphorylation on Tyr-868, Tyr-966 and Tyr-972 in response to growth hormone (GH) are required for maximal kinase activity. Also phosphorylated by TEC. |
| 相似性 | Belongs to the protein kinase superfamily. Tyr protein kinase family. JAK subfamily. Contains 1 FERM domain. Contains 1 protein kinase domain. Contains 1 SH2 domain. |
| 功能 | Non-receptor tyrosine kinase involved in various processes such as cell growth, development, differentiation or histone modifications. Mediates essential signaling events in both innate and adaptive immunity. In the cytoplasm, plays a pivotal role in signal transduction via its association with type I receptors such as growth hormone (GHR), prolactin (PRLR), leptin (LEPR), erythropoietin (EPOR), thrombopoietin (THPO); or type II receptors including IFN-alpha, IFN-beta, IFN-gamma and multiple interleukins. Following ligand-binding to cell surface receptors, phosphorylates specific tyrosine residues on the cytoplasmic tails of the receptor, creating docking sites for STATs proteins. Subsequently, phosphorylates the STATs proteins once they are recruited to the receptor. Phosphorylated STATs then form homodimer or heterodimers and translocate to the nucleus to activate gene transcription. For example, cell stimulation with erythropoietin (EPO) during erythropoiesis leads to JAK2 autophosphorylation, activation, and its association with erythropoietin receptor (EPOR) that becomes phosphorylated in its cytoplasmic domain. Then, STAT5 (STAT5A or STAT5B) is recruited, phosphorylated and activated by JAK2. Once activated, dimerized STAT5 translocates into the nucleus and promotes the transcription of several essential genes involved in the modulation of erythropoiesis. In addition, JAK2 mediates angiotensin-2-induced ARHGEF1 phosphorylation. Plays a role in cell cycle by phosphorylating CDKN1B. Cooperates with TEC through reciprocal phosphorylation to mediate cytokine-driven activation of FOS transcription. In the nucleus, plays a key role in chromatin by specifically mediating phosphorylation of 'Tyr-41' of histone H3 (H3Y41ph), a specific tag that promotes exclusion of CBX5 (HP1 alpha) from chromatin. |
| 保存条件 | Shipped at 4℃. Stored at -20℃ for one year. Avoid repeated freeze/thaw cycles. |
| 注意事项 | This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications. |
| 背景资料 | This gene product is a protein tyrosine kinase involved in a specific subset of cytokine receptor signaling pathways. It has been found to be constituitively associated with the prolactin receptor and is required for responses to gamma interferon. Mice that do not express an active protein for this gene exhibit embryonic lethality associated with the absence of definitive erythropoiesis. [provided by RefSeq, Jul 2008] |
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JAK2 Antibody Blocking Peptide(bs-23003P)-500ug
￥880
