G-5555 hydrochloride
Based on 7 publication(s) in Google Scholar
G-5555 hydrochloride is a potent and selective p21-activated kinase 1 (PAK1) inhibitor with a Ki of 3.7 nM.
Para uso exclusivo en investigación. No vendemos a pacientes.
- Pureza: 98.26%
- No. CAS: 2319590-15-1
- Fòrmula: C25H26Cl2N6O3
- Peso molecular:529.42
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Almacenamiento:
4°C, sealed storage, away from moisture
* In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture)
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Actividad biológica
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Chemical Information
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Solvente y solubilidad
- Protocolo
- Pureza y Documentación
- Referencias
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Help & FAQs
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Publications Citing Use of MedChemExpress (MCE) G-5555 hydrochloride
More- Nat Commun. 2026 Feb 12;17(1):1214. [Abstract]
- Acta Pharm Sin B. 2020 Apr;10(4):603-614. [Abstract]
- Endocr Relat Cancer. 2019 Aug;26(8):699-712. [Abstract]
- PLoS One. 2024 Jul 31;19(7):e0305121. [Abstract]
- Exp Hematol. 2023 Nov:127:59-69.e2. [Abstract]
- Research Square Preprint. 2021 Apr.
- Elife. 2017 Mar 13;6:e22207. [Abstract]
Actividad biológica
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PAK1 3.7 nM (Ki) |
PAK2 11 nM (Ki) |
G-5555 shows excellent kinase selectivity and inhibits only eight out of the 235 kinases tested other than PAK1 with inhibition >70%: PAK2, PAK3, KHS1, Lck, MST3, MST4, SIK2, and YSK1. The IC50s of G-5555 against SIK2, PAK2, KHS1, MST4, YSK1, MST3 and Lck are 9, 11, 10, 20, 34, 43, 52 nM, respectively. In general, G-5555 demonstrates high selectivity for the group I PAKs. There is negligible activity for G-5555 against the hERG channel with IC50 more than 10 μM in a patch clamp assay[1]. In an array of 23 breast cancer cell lines, G-5555 has significantly greater growth inhibitory activity in cell lines that are PAK-amplified compared to non-amplified lines[2].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
Chemical Information
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No. CAS 2319590-15-1
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Appearance Solid
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Peso molecular 529.42
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Fòrmula C25H26Cl2N6O3
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Color Light yellow to yellow
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SMILES
ClC(C=C(C1=NC(C)=CC=C1)C=C2)=C2C3=CC4=CN=C(NC)N=C4N(C[C@@H]5OC[C@@H](N)CO5)C3=O.[H]Cl
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Envío
Room temperature in continental US; may vary elsewhere.
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Almacenamiento
4°C, sealed storage, away from moisture
* In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture)
Publications (7)
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Journal Impact Factor
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Most Recent
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Nat Commun
Human iPSC-based Modeling of Pulmonary Fibrosis Reveals p300/CBP Inhibition Suppresses Alveolar Transitional Cell State. [Abstract]2026 Feb 12;17(1):1214. PMID: 41680175 -
Acta Pharm Sin B
2020 Apr;10(4):603-614. PMID: 32322465 -
Endocr Relat Cancer
2019 Aug;26(8):699-712. PMID: 31146260 -
PLoS One
Synergistic effect of PAK and Hippo pathway inhibitor combination in NF2-deficient Schwannoma. [Abstract]2024 Jul 31;19(7):e0305121. PMID: 39083549 -
Exp Hematol
Inhibition of PAK1 generates an ameliorative effect on MPLW515L mouse model of myeloproliferative neoplasms by regulating the differentiation and survival of the megakaryocytes. [Abstract]2023 Nov:127:59-69.e2. PMID: 37741606 -
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Elife
p27Kip1 promotes invadopodia turnover and invasion through the regulation of the PAK1/Cortactin pathway. [Abstract]2017 Mar 13;6:e22207. PMID: 28287395
Solvente y solubilidad
DMSO : 100 mg/mL (188.89 mM; Need ultrasonic; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)
H2O : 16.67 mg/mL (31.49 mM; Need ultrasonic)
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, 6 months; -20°C, 1 month (sealed storage, away from moisture). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.
* Note: If you choose water as the stock solution, please dilute it to the working solution, then filter and sterilize it with a 0.22 μm filter before use.
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, 6 months; -20°C, 1 month (sealed storage, away from moisture). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.
* Note: If you choose water as the stock solution, please dilute it to the working solution, then filter and sterilize it with a 0.22 μm filter before use.
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 (4.72 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 (4.72 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.
Working solution concentration: 0.22 mg/mL
This product has good water solubility, please refer to the measured solubility data in water/PBS/Saline for details.
Protocolo
The 10 µL assay mixtures contain 50 mM HEPES (pH 7.5), 0.01% Brij-35, 10 mM MgCl2, 1 mM EGTA, 2 µM FRET peptide substrate, and PAK enzyme (20 pM PAK1; 50 pM PAK2; 90 pM PAK4). Incubations are carried out at 22°C in black polypropylene 384-well plates. Prior to the assay, enzyme, FRET peptide substrate and serially diluted test compounds (G-5555) are preincubated together in assay buffer (7.5 µL) for 10 minutes, and the assay is initiated by the addition of 2.5 µL assay buffer containing 4x ATP (160 µM PAK1; 480 µM PAK2; 16 µM PAK4). Following the 60-minute incubation, the assay mixtures are quenched by the addition of development reagent, and 1 hour later the emissions of Coumarin (445 nm) and Fluorescein (520 nm) are determined after excitation at 400 nm using an Envision plate reader[1].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
Mice: 3 mice in each of the two groups are administered 25 mg/kg oral suspension dose twice, with the second dose given 6 hours after the first dose. The dose volumes are 5 mL/kg for the IV group and 10 mL/kg for the PO groups. Following administration of G-5555 (12), 15 µL of blood is collected at each time point are stored at -70 to -80°C until analysis[1].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
Pureza y Documentación
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Ficha de datos (283 KB)
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SDS (393 KB)
- English - EN (393 KB)
- Français - FR (393 KB)
- Deutsch - DE (393 KB)
- Norwegian - NO (393 KB)
- Español - ES (393 KB)
- Swedish - SV (393 KB)
- Italian - IT (393 KB)
- Korean - KR (393 KB)
- Portuguese - PT (393 KB)
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Instrucciones de manejo (2659 KB)
Referencias
[1]. Ndubaku CO, et al. Design of Selective PAK1 Inhibitor G-5555: Improving Properties by Employing an Unorthodox Low-pK a Polar Moiety. ACS Med Chem Lett. 2015 Oct 31;6(12):1241-6. [Content Brief]
[2]. Rudolph J, et al. Chemically Diverse Group I p21-Activated Kinase (PAK) Inhibitors Impart Acute Cardiovascular Toxicity with a Narrow Therapeutic Window. J Med Chem. 2016 Jun 9;59(11):5520-41. [Content Brief]
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, 6 months; -20°C, 1 month (sealed storage, away from moisture). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.
| Optional Solvent | Concentration Solvent Mass | 1 mg | 5 mg | 10 mg | 25 mg |
|---|---|---|---|---|---|
| H2O / DMSO | 1 mM | 1.8889 mL | 9.4443 mL | 18.8886 mL | 47.2215 mL |
| 5 mM | 0.3778 mL | 1.8889 mL | 3.7777 mL | 9.4443 mL | |
| 10 mM | 0.1889 mL | 0.9444 mL | 1.8889 mL | 4.7221 mL | |
| 15 mM | 0.1259 mL | 0.6296 mL | 1.2592 mL | 3.1481 mL | |
| 20 mM | 0.0944 mL | 0.4722 mL | 0.9444 mL | 2.3611 mL | |
| 25 mM | 0.0756 mL | 0.3778 mL | 0.7555 mL | 1.8889 mL | |
| 30 mM | 0.0630 mL | 0.3148 mL | 0.6296 mL | 1.5740 mL | |
| DMSO | 40 mM | 0.0472 mL | 0.2361 mL | 0.4722 mL | 1.1805 mL |
| 50 mM | 0.0378 mL | 0.1889 mL | 0.3778 mL | 0.9444 mL | |
| 60 mM | 0.0315 mL | 0.1574 mL | 0.3148 mL | 0.7870 mL | |
| 80 mM | 0.0236 mL | 0.1181 mL | 0.2361 mL | 0.5903 mL | |
| 100 mM | 0.0189 mL | 0.0944 mL | 0.1889 mL | 0.4722 mL |
* Note: If you choose water as the stock solution, please dilute it to the working solution, then filter and sterilize it with a 0.22 μm filter before use.
G-5555 hydrochloride Related Classifications
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