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10 mM * 1 mL/1 mg/5 mg/10 mg/25 mg/50 mg/100 mg
| 规格： | 10 mM * 1 mL | 产品价格： | ￥2250.0 |
|---|---|---|---|
| 规格： | 1 mg | 产品价格： | ￥681.0 |
| 规格： | 5 mg | 产品价格： | ￥1500.0 |
| 规格： | 10 mg | 产品价格： | ￥2100.0 |
| 规格： | 25 mg | 产品价格： | ￥4200.0 |
| 规格： | 50 mg | 产品价格： | ￥6300.0 |
| 规格： | 100 mg | 产品价格： | ￥9800.0 |
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PTP1B-IN-2
CAS No. : 1919853-46-5
MCE 国际站：PTP1B-IN-2
产品活性：PTP1B-IN-2是有效地蛋白酪氨酸磷酸酶 (PTP1B) 抑制剂，IC50值为50 nM。
研究领域：Metabolic Enzyme/Protease
作用靶点：Phosphatase
In Vitro: PTP1B-IN-2 displays more than 40-fold selectivity for PTP1B over SHP-2 and LAR and 15-fold higher selectivity for PTP1B over the highly homologous TCPTP. PTP1B-IN-2 extends deep into the active site pocket, forming several hydrogen bonds and hydrophobic interactions with key residues of the catalytic site. The binding characteristics between PTP1B domain and ligand shows that PTP1B-IN-2 is an ABC type inhibitor which not only interacted with catalytic site but also B site and C site. PTP1B-IN-2 greatly enhances insulin-mediated IRβ phosphorylation at concentrations of 15 μM and 30 μM. Insulin-stimulated glucose uptake is also significantly increased in L6 myotubes treated with PTP1B-IN-2, and this increase is 16.0%, 19.0% and 38.1% at 5, 10 and 20 μM, respectively .
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文献和实验Regulation of protein activity through the oxidation and reduction of cysteines is emerging as an important mechanism in the control of cell-signaling pathways. Protein tyrosine phosphatase 1B (PTP1B), for example, is reversibly inhibited
我是不是忘了告诉你，VEGF信号通路居然还有个从外到里套路……
2的内化，倒是挺别致的。VEGFR2在结合上一个VEGF后，会和另一个非酪氨酸激酶Neuropilin-1和synectin结合（对应的VEGFR2是酪氨酸激酶受体，RTK），然后包如膜体中，被内吞到细胞质里，然后VEGFR2自磷酸化后，激活更多下游信号通路：在转运过程中，Neuropilin-1在膜外会结合Rab5以及马达蛋白Myosin VI，然后沿着Actin转运：在转运过程中VEGFR2上的Y1175磷酸化位点附近会结合上PTP1b，遮蔽掉了ERK的激活位点，使之信号被抑制。但是转运
5% 脱脂奶粉，0.15 M NaClB：5% 脱脂奶粉封闭，一抗浓度：0.2 mg/mL，溶于 5% 脱脂奶粉，0.15 M NaClFig.1脱脂奶粉及 NaCl 浓度对实验结果的影响抗体：Human PTP1B Antibody (Catalog # AF1366)蛋白分离：人 HeLa 细胞 (Lane 1)，MCF-7 (Lane 2) 和 TF-1 (Lane 3)(Fig.2)A. 5% 脱脂奶粉封闭，一抗浓度：1.0 mg/mL，溶于 2% 脱脂奶粉和 0.15 M NaClB
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