SID 26681509
Based on 5 publication(s) in Google Scholar
SID 26681509 is a potent, reversible, competitive, and selective inhibitor of human cathepsin L with an IC50 of 56 nM. SID 26681509 inhibits in vitro propagation of malaria parasite Plasmodium falciparum and inhibits Leishmania major with IC50s of 15.4 μM and 12.5 μM, respectively. SID 26681509 shows no inhibitory activity against cathepsin G.
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- Pureté: 99.16%
- CAS No.: 958772-66-2
- Formule: C27H33N5O5S
- Masse moléculaire:539.65
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Stockage:Powder -20°C, 3 years ; In solvent -80°C, 6 months , -20°C, 1 month
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Activité biologique
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Chemical Information
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Solvant et solubilité
- Pureté et documentation
- Références
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Help & FAQs
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Publications Citing Use of MedChemExpress (MCE) SID 26681509
MoreVoir tous les produits spécifiques à Isoform Cathepsin
MoreVoir tous les produits spécifiques à Isoform Parasite
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Activité biologique
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cathepsin L |
Plasmodium |
Leishmania |
After a 4 hr preincubation with cathepsin L, SID 26681509 becomes more potent, demonstrating an IC50 of 1.0 nM. SID 26681509 is determined to be a slow-binding and slowly reversible competitive inhibitor. Through a transient kinetic analysis for single-step reversibility, inhibition rate constants are kon = 24,000 M-1s-1 and koff = 2.2 × 10-5 s-1 (Ki = 0.89 nM). Molecular docking studies are undertaken using the experimentally-derived X-ray crystal structure of papain/CLIK-148[1].
SID 26681509 inhibits papain and cathepsins B, K, S, and V with IC50 values determined after one hour ranging from 618 nM to 8.442 μM. SID 26681509 shows no inhibitory activity against the serine protease cathepsin G[1].
SID 26681509 inhibits cathepsin V activity with an IC50 value of 0.5 μM. SID 26681509 (1-30 μM) blocks high-mobility group box 1 (HMGB1)-induced TNF-α production dose dependently without altering cell viability[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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CAS No. 958772-66-2
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Appearance Solid
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Masse moléculaire 539.65
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Formule C27H33N5O5S
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Color White to off-white
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SMILES
O=C(NNC(SCC(NC1=CC=CC=C1CC)=O)=O)[C@H](CC2=CNC3=CC=CC=C23)NC(OC(C)(C)C)=O
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Livraison
Room temperature in continental US; may vary elsewhere.
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Stockage
Powder -20°C 3 years In solvent -80°C 6 months -20°C 1 month
Publications (5)
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Journal Impact Factor
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Most Recent
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Signal Transduct Target Ther
2023 Oct 11;8(1):390. PMID: 37816708 -
Signal Transduct Target Ther
Cathepsin L plays a key role in SARS-CoV-2 infection in humans and humanized mice and is a promising target for new drug development. [Abstract]2021 Mar 27;6(1):134. PMID: 33774649 -
Nat Commun
2022 May 26;13(1):2935. PMID: 35618710 -
Nat Commun
Characterization of spike glycoprotein of SARS-CoV-2 on virus entry and its immune cross-reactivity with SARS-CoV. [Abstract]2020 Mar 27;11(1):1620. PMID: 32221306 -
iScience
Inhibition of cathepsin L ameliorates inflammation through the A20/NF-κB pathway in endotoxin-induced acute lung injury. [Abstract]2024 Oct 4;27(11):111024. PMID: 39559762
Solvant et solubilité
DMSO : 50 mg/mL (92.65 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, 6 months; -20°C, 1 month. When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.
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. When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.
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: ≥ 1.25 mg/mL (2.32 mM); Clear solution
This protocol yields a clear solution of ≥ 1.25 mg/mL (saturation unknown).
Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (12.5 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: ≥ 1.25 mg/mL (2.32 mM); Clear solution
This protocol yields a clear solution of ≥ 1.25 mg/mL (saturation unknown).
Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (12.5 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.
Pureté et documentation
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Fiche technique (288 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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Instruction de manipulation (2659 KB)
Références
[1]. Shah PP, et al. Kinetic characterization and molecular docking of a novel, potent, and selective slow-binding inhibitor of human cathepsin L. Mol Pharmacol. 2008 Jul;74(1):34-41. [Content Brief]
[2]. Pribis JP, et al. The HIV Protease Inhibitor Saquinavir Inhibits HMGB1-Driven Inflammation by Targeting the Interaction of Cathepsin V with TLR4/MyD88. Mol Med. 2015 Dec;21(1):749-757. [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. 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 |
|---|---|---|---|---|---|
| DMSO | 1 mM | 1.8531 mL | 9.2653 mL | 18.5305 mL | 46.3263 mL |
| 5 mM | 0.3706 mL | 1.8531 mL | 3.7061 mL | 9.2653 mL | |
| 10 mM | 0.1853 mL | 0.9265 mL | 1.8531 mL | 4.6326 mL | |
| 15 mM | 0.1235 mL | 0.6177 mL | 1.2354 mL | 3.0884 mL | |
| 20 mM | 0.0927 mL | 0.4633 mL | 0.9265 mL | 2.3163 mL | |
| 25 mM | 0.0741 mL | 0.3706 mL | 0.7412 mL | 1.8531 mL | |
| 30 mM | 0.0618 mL | 0.3088 mL | 0.6177 mL | 1.5442 mL | |
| 40 mM | 0.0463 mL | 0.2316 mL | 0.4633 mL | 1.1582 mL | |
| 50 mM | 0.0371 mL | 0.1853 mL | 0.3706 mL | 0.9265 mL | |
| 60 mM | 0.0309 mL | 0.1544 mL | 0.3088 mL | 0.7721 mL | |
| 80 mM | 0.0232 mL | 0.1158 mL | 0.2316 mL | 0.5791 mL |
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