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Synonyms:


| Pack Size | Price | USA Stock | Global Stock | Quantity |
|---|---|---|---|---|
| 1 mg | $84 | - | In Stock | |
| 5 mg | $198 | - | In Stock | |
| 10 mg | $328 | - | In Stock | |
| 25 mg | $619 | - | In Stock | |
| 50 mg | $993 | - | In Stock | |
| 100 mg | $1,490 | - | In Stock | |
| 1 mL x 10 mM (in DMSO) | $235 | - | In Stock |
| Description | XL-3156 is a potent, selective, and cross-species inhibitor of cGAS. XL-3156 simultaneously occupies allosteric and orthosteric sites, stabilizing the closed conformation of the activation loop to inhibit the interaction and phase separation of cGAS with DNA. XL-3156 is applicable in innate immune signaling research and is used to investigate cGAS–STING pathway regulation, DNA sensing mechanisms, and phase separation-dependent activation processes in autoimmune and inflammatory disease models. |
| In vitro | Methods:Electrophoretic mobility shift assay (EMSA) and in vitro phase separation assays were performed. XL-3156 was applied at various concentrations for different durations to explore its effects on the interaction between h-cGAS and labeled DNA, as well as condensate formation and phase separation. Results: 1.Treatment with 20 μM XL-3156 for 20 minutes inhibited the binding of purified h-cGASCD to Cy5-labeled ISD45 DNA. 2.XL-3156 at 4–100 μM blocked the phase separation of h-cGASCD and FAM-labeled ISD100 DNA in a dose-dependent manner. 3.Exposure to 50 μM XL-3156 for 20 minutes disrupted condensates formed by h-cGASCD and Cy3-labeled ISD100 DNA, with an EC₅₀ of 783 nM. 4.Incubation with 100 μM XL-3156 for 30 minutes markedly suppressed the in vitro phase separation of full-length h-cGASFL and Cy3-labeled ISD100 DNA. |
| Molecular Weight | 517.54 |
| Formula | C28H23N9O2 |
| Cas No. | 3117797-30-2 |
| Smiles | OC1=C(C(C2=CC=CC=N2)C3=C(O)N(C4=NC5=C(C=CC=C5)N4)N=C3C)C(C)=NN1C6=NC7=CC=CC=C7N6 |
| Relative Density. | no data available |
| 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: 40 mg/mL (77.29 mM), Sonication is recommended. | ||||||||||||||||||||||||||||||
Solution Preparation Table | |||||||||||||||||||||||||||||||
DMSO
Note : The dilution table applies only to solid products. For liquid products, please calculate the stock solution based on the stated concentration and/or density. | |||||||||||||||||||||||||||||||
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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