GSK4028
Based on 1 publication(s) in Google Scholar
GSK4028 is the enantiomeric negative control of GSK4027, which is a PCAF/GCN5 bromodomain chemical probe, the pIC50 of GSK4028 is 4.9 in a time-resolved fluorescence resonance energy transfer (TR-FRET) assay.
For research use only. We do not sell to patients.
- Purity: 98.06%
- CAS No.: 2079886-19-2
- Formula: C17H21BrN4O
- Molecular Weight:377.28
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Storage:Powder -20°C, 3 years , 4°C, 2 years ; In solvent -80°C, 2 years , -20°C, 1 year
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Biological Activity
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Chemical Information
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Solvent & Solubility
- Purity & Documentation
- References
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Help & FAQs
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Publications Citing Use of MedChemExpress (MCE) GSK4028
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Biological Activity
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GCN5/PCAF |
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Cell Line
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Type | Value | Description | References |
|---|---|---|---|---|
| HEK293 | IC50 |
10 μM
Compound: (S,S)-32; GSK4028
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Displacement of Halo-tagged histone H3.3 from NanoLuc-tagged full length human PCAF bromodomain expressed in HEK293 cells after 18 hrs by NanoBRET assay
Displacement of Halo-tagged histone H3.3 from NanoLuc-tagged full length human PCAF bromodomain expressed in HEK293 cells after 18 hrs by NanoBRET assay
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[PMID: 28002667] |
GSK4028 is the enantiomeric negative control of GSK4027, which is a PCAF/GCN5 bromodomain chemical probe, the pIC50 of GSK4028 is 4.9. GSK4028 also demonstrates potency toward BRD4 BD1 and BRD9 inTR-FRET assay with pIC50s of <4.3 and 4.5±0.13, respectively[1].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
Chemical Information
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CAS No. 2079886-19-2
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Appearance Solid
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Molecular Weight 377.28
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Formula C17H21BrN4O
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Color Light yellow to yellow
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SMILES
BrC1=C(N[C@H]2C[C@@H](C3=CC=CC=C3)CN(C)C2)C=NN(C)C1=O
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Shipping
Room temperature in continental US; may vary elsewhere.
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Storage
Powder -20°C 3 years 4°C 2 years In solvent -80°C 2 years -20°C 1 year
Publications (1)
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Journal Impact Factor
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Most Recent
Solvent & Solubility
DMSO : 100 mg/mL (265.06 mM; Need ultrasonic; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)
Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 2 years; -20°C, 1 year. When stored at -80°C, please use it within 2 years. When stored at -20°C, please use it within 1 year.
Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 2 years; -20°C, 1 year. When stored at -80°C, please use it within 2 years. When stored at -20°C, please use it within 1 year.
Concentration (start) × Volume (start) = Concentration (final) × Volume (final)
Select the appropriate dissolution method based on your experimental animal and administration route.
- For the following dissolution methods, please ensure to first prepare a clear stock solution using an In Vitro approach and then sequentially add co-solvents:
- To ensure reliable experimental results, the clarified stock solution can be appropriately stored based on storage conditions. As for the working solution for In Vivo experiments, it is recommended to prepare freshly and use it on the same day.
- The percentages shown for the solvents indicate their volumetric ratio in the final prepared solution. If precipitation or phase separation occurs during preparation, heat and/or sonication can be used to aid dissolution.
Add each solvent one by one: 10% DMSO 40% PEG300 5% Tween-80 45% Saline
Solubility: ≥ 2.5 mg/mL (6.63 mM); Clear solution
This protocol yields a clear solution of ≥ 2.5 mg/mL (saturation unknown).
Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (25.0 mg/mL) to 400 μL PEG300, and mix evenly; then add 50 μL Tween-80 and mix evenly; then add 450 μL Saline to adjust the volume to 1 mL.
Preparation of Saline: Dissolve 0.9 g sodium chloride in ddH₂O and dilute to 100 mL to obtain a clear Saline solution.
Add each solvent one by one: 10% DMSO 90% (20% SBE-β-CD in Saline)
Solubility: ≥ 2.5 mg/mL (6.63 mM); Clear solution
This protocol yields a clear solution of ≥ 2.5 mg/mL (saturation unknown).
Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (25.0 mg/mL) to 900 μL 20% SBE-β-CD in Saline, and mix evenly.
Preparation of 20% SBE-β-CD in Saline (4°C, storage for one week): 2 g SBE-β-CD powder is dissolved in 10 mL Saline, completely dissolve until clear.
Please enter the basic information of animal experiments:
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Recommended: Prepare an additional quantity of animals to account for potential losses during experiments.
Please enter your animal formula composition:
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%DMSO +
Recommended: Keep the proportion of DMSO in working solution below 2% if your animal is weak.
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%+
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+%Tween-80 + +
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%Saline +
The co-solvents required include: DMSO, . All of co-solvents are available by MedChemExpress (MCE). , Tween 80. All of co-solvents are available by MedChemExpress (MCE).
Working solution concentration: 0.22 mg/mL
Method for preparing stock solution: mg drug dissolved in μL DMSO. Stock solution concentration: mg/mL.
1. Take μL DMSO stock solution;
2. Add μL .
μL , mix evenly;
3. Then add μL Tween 80, mix evenly;
4. Then add μL
Please ensure that the stock solution in the first step is dissolved to a clear state, and add co-solvents in sequence. You can use ultrasonic heating (ultrasonic cleaner, recommended frequency 20-40 kHz), vortexing, etc. to assist dissolution.
Purity & Documentation
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Data Sheet (272 KB)
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SDS (251 KB)
- English - EN (251 KB)
- Français - FR (251 KB)
- Deutsch - DE (251 KB)
- Norwegian - NO (251 KB)
- Español - ES (251 KB)
- Swedish - SV (251 KB)
- Italian - IT (251 KB)
- Portuguese - PT (251 KB)
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Handling Instructions (2659 KB)
References
Complete Stock Solution Preparation Table
Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 2 years; -20°C, 1 year. When stored at -80°C, please use it within 2 years. When stored at -20°C, please use it within 1 year.
| Optional Solvent | Concentration Solvent Mass | 1 mg | 5 mg | 10 mg | 25 mg |
|---|---|---|---|---|---|
| DMSO | 1 mM | 2.6506 mL | 13.2528 mL | 26.5055 mL | 66.2638 mL |
| 5 mM | 0.5301 mL | 2.6506 mL | 5.3011 mL | 13.2528 mL | |
| 10 mM | 0.2651 mL | 1.3253 mL | 2.6506 mL | 6.6264 mL | |
| 15 mM | 0.1767 mL | 0.8835 mL | 1.7670 mL | 4.4176 mL | |
| 20 mM | 0.1325 mL | 0.6626 mL | 1.3253 mL | 3.3132 mL | |
| 25 mM | 0.1060 mL | 0.5301 mL | 1.0602 mL | 2.6506 mL | |
| 30 mM | 0.0884 mL | 0.4418 mL | 0.8835 mL | 2.2088 mL | |
| 40 mM | 0.0663 mL | 0.3313 mL | 0.6626 mL | 1.6566 mL | |
| 50 mM | 0.0530 mL | 0.2651 mL | 0.5301 mL | 1.3253 mL | |
| 60 mM | 0.0442 mL | 0.2209 mL | 0.4418 mL | 1.1044 mL | |
| 80 mM | 0.0331 mL | 0.1657 mL | 0.3313 mL | 0.8283 mL | |
| 100 mM | 0.0265 mL | 0.1325 mL | 0.2651 mL | 0.6626 mL |
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