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Endosidin-2 is an exocyst inhibitor, a cell-permeable benzylidene benzoylhydrazine, that binds to the exocyst component of the 70 kDa (EXO70) subunit of the exocyst complex (Kd = 253 μM, EXO70A1).Endosidin-2 disrupts protein translocation between the endosomes and plasma membrane, thereby facilitating translocation of proteins to the vesicle for degradation. It also inhibits recirculation of endocytosed transferrin to the plasma membrane in HeLa cells and targets multiple isoforms of mammalian EXO70, leading to dysregulation of exocytosis.Endosidin2 can be used as a tool molecule to study cytosolization.

| Pack Size | Price | USA Warehouse | Global Warehouse | Quantity |
|---|---|---|---|---|
| 5 mg | $47 | In Stock | In Stock | |
| 10 mg | $89 | In Stock | In Stock | |
| 25 mg | $197 | In Stock | In Stock | |
| 50 mg | $322 | In Stock | In Stock | |
| 100 mg | $538 | - | In Stock | |
| 500 mg | $1,150 | - | In Stock | |
| 1 mL x 10 mM (in DMSO) | $52 | In Stock | In Stock |
| Description | Endosidin-2 is an exocyst inhibitor, a cell-permeable benzylidene benzoylhydrazine, that binds to the exocyst component of the 70 kDa (EXO70) subunit of the exocyst complex (Kd = 253 μM, EXO70A1).Endosidin-2 disrupts protein translocation between the endosomes and plasma membrane, thereby facilitating translocation of proteins to the vesicle for degradation. It also inhibits recirculation of endocytosed transferrin to the plasma membrane in HeLa cells and targets multiple isoforms of mammalian EXO70, leading to dysregulation of exocytosis.Endosidin2 can be used as a tool molecule to study cytosolization. |
| Targets&IC50 | Polarized cells:8.8 -12.3 µM |
| In vitro | Endosidin2 (ES2) was utilized in studying polarized cell growth in the moss Physcomitrium patens , in which plants were exposed to increasing concentrations of ES2 with an IC50 between 8.8 and 12.3 µM. At 50 µM, tip-growing cells ruptured close to their tips, an indication that ES2 inhibits the deposition of new cell wall material via exocytosis.[2] |
| Synonyms | ES2, Endosidin 2 |
| Molecular Weight | 414.17 |
| Formula | C15H12FIN2O3 |
| Cas No. | 1839524-44-5 |
| Smiles | COC1=CC(\C=N\NC(=O)C2=CC=CC(F)=C2)=CC(I)=C1O |
| Storage | Powder: -20°C for 3 years | In solvent: -80°C for 1 year | Shipping with blue ice/Shipping at ambient temperature. |
| Solubility Information | DMSO: 125 mg/mL (301.81 mM), Sonication is recommended. DMF: 30 mg/mL (72.43 mM), Sonication is recommended. Ethanol: 0.25 mg/mL (0.6 mM), Sonication is recommended. |
Dissolve 2 mg of the compound in 100 μL DMSO
to obtain a stock solution at a concentration of 20 mg/mL . If the required concentration exceeds the compound's known solubility, please contact us for technical support before proceeding.
1) Add 100 μL of the DMSO
stock solution to 400 μL PEG300
and mix thoroughly until the solution becomes clear.
2) Add 50 μL Tween 80 and mix well until fully clarified.
3) Add 450 μL Saline,PBS or ddH2O
and mix thoroughly until a homogeneous solution is obtained.
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