PROTAC-O4I2
目录号 : GC63916
PROTAC-O4I2 是一种靶向剪接因子 3B1 (SF3B1) 的 PROTAC。PROTAC-O4I2 在 K562 细胞中诱导 FLAG-SF3B1 降解，IC50 值为 0.244 μM。PROTAC-O4I2 还诱导 K562 WT 细胞凋亡 (apoptosis)。
Sample solution is provided at 25 µL, 10mM.
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Quality Control & SDS
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- Purity: >98.00%
- COA (Certificate Of Analysis)
- SDS (Safety Data Sheet)
- Datasheet
PROTAC-O4I2 is a PROTAC targets splicing factor 3B1 (SF3B1). PROTAC-O4I2 induces FLAG-SF3B1 degradation with an IC50 value of 0.244 μM in K562 cells. PROTAC-O4I2 also induces cellular apoptosis in K562 WT cells[1].
PROTAC-O4I2 introduces Thalidomide to ubiquitin E3 ligase cereblon (CRBN), which selectively degrades SF3B1 and inhibits tumor growth in cells[1].PROTAC-O4I2 degrades and inhibits SF3B1 in K562 cells. PROTAC-O4I2 exhibits anti-proliferation effects on SF3B1 WT, SF3B1 OE, and SF3B1 K700E cells with IC50s of 228, 63, and 90 nM, respectively[1].PROTAC-O4I2 induces FLAG-SF3B1 degradation in a concentration-dependent manner with a half maximal inhibitory concentration (IC50) value of 0.244 μM in K562 cells[1].
PROTAC-O4I2 significantly increases survival by interference with the maintenance and proliferation of tumor in a Drosophila intestinal tumor model[1].
[1]. Rodrigo A Gama-Brambila, et al. A PROTAC targets splicing factor 3B1. Cell Chem Biol. 2021 Nov 18;28(11):1616-1627.e8.
| Cas No. | SDF | Download SDF | |
| 分子式 | C29H29ClN6O5S | 分子量 | 609.1 |
| 溶解度 | DMSO : 250 mg/mL (410.44 mM; Need ultrasonic) | 储存条件 | Store at -20°C |
| General tips | 请根据产品在不同溶剂中的溶解度选择合适的溶剂配制储备液；一旦配成溶液，请分装保存，避免反复冻融造成的产品失效。 储备液的保存方式和期限：-80°C 储存时，请在 6 个月内使用，-20°C 储存时，请在 1 个月内使用。 为了提高溶解度，请将管子加热至37℃，然后在超声波浴中震荡一段时间。 |
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| Shipping Condition | 评估样品解决方案：配备蓝冰进行发货。所有其他可用尺寸：配备RT，或根据请求配备蓝冰。 | ||
| 制备储备液 | |||
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1 mg | 5 mg | 10 mg |
| 1 mM | 1.6418 mL | 8.2088 mL | 16.4177 mL |
| 5 mM | 0.3284 mL | 1.6418 mL | 3.2835 mL |
| 10 mM | 0.1642 mL | 0.8209 mL | 1.6418 mL |
| 第一步：请输入基本实验信息（考虑到实验过程中的损耗，建议多配一只动物的药量） | ||||||||||
| 给药剂量 | mg/kg |  |
动物平均体重 | g | |
每只动物给药体积 | ul | |
动物数量 | 只 |
| 第二步：请输入动物体内配方组成（配方适用于不溶于水的药物；不同批次药物配方比例不同，请联系GLPBIO为您提供正确的澄清溶液配方） | ||||||||||
| % DMSO % % Tween 80 % saline | ||||||||||
| 计算重置 | ||||||||||
计算结果:
工作液浓度： mg/ml；
DMSO母液配制方法： mg 药物溶于 μL DMSO溶液（母液浓度 mg/mL，
体内配方配制方法：取 μL DMSO母液，加入 μL PEG300，混匀澄清后加入μL Tween 80，混匀澄清后加入 μL saline，混匀澄清。
1. 首先保证母液是澄清的；
2.
一定要按照顺序依次将溶剂加入，进行下一步操作之前必须保证上一步操作得到的是澄清的溶液，可采用涡旋、超声或水浴加热等物理方法助溶。
3. 以上所有助溶剂都可在 GlpBio 网站选购。
A PROTAC targets splicing factor 3B1
Cell Chem Biol 2021 Nov 18;28(11):1616-1627.e8.PMID:34048672DOI:10.1016/j.chembiol.2021.04.018
The proteolysis-targeting chimeras (PROTACs) are a new technology to degrade target proteins. However, their clinical application is limited currently by lack of chemical binders to target proteins. For instance, it is still unknown whether splicing factor 3B subunit 1 (SF3B1) is targetable by PROTACs. We recently identified a 2-aminothiazole derivative (herein O4I2) as a promoter in the generation of human pluripotent stem cells. In this work, proteomic analysis on the biotinylated O4I2 revealed that O4I2 targeted SF3B1 and positively regulated RNA splicing. Fusing thalidomide-the ligand of the cereblon ubiquitin ligase-to O4I2 led to a new PROTAC-O4I2, which selectively degraded SF3B1 and induced cellular apoptosis in a CRBN-dependent manner. In a Drosophila intestinal tumor model, PROTAC-O4I2 increased survival by interference with the maintenance and proliferation of stem cell. Thus, our finding demonstrates that SF3B1 is PROTACable by utilizing noninhibitory chemicals, which expands the list of PROTAC target proteins.