Ro 26-4550 trifluoroacetate |
| Catalog No.GC12565 |
reversible inhibitor of interleukin-2 (IL-2) binding to its receptor
Products are for research use only. Not for human use. We do not sell to patients.
Cas No.: 1217448-66-2
Sample solution is provided at 25 µL, 10mM.
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IC50: 3 μM
Ro 26-4550 trifluoroacetate is a competitive reversible inhibitor of interleukin-2 (IL-2) binding to its receptor [1].
Interleukin-2 (IL-2) (a 15.5 kDa cytokine) plays a predominant role in the growth of activated T cells. IL-2 induces T-cell proliferation followed by binding on the T-cell surface with picomolar affinity to a heterotrimeric receptor complex (consisting of R, , and chains). It has proven clinically effective as immunosuppressive agents that antibodies recognize the R receptor subunit (IL-2RR) and discrupte IL-2 binding. Small molecules are capable of preventing the IL-2/IL-2RR interaction as potential orally active successors to the antibody drugs [1].
In vitro: The region of IL-2 perturbed by association with Ro 26-4550 was shown to be involved in the binding to IL-2RR. This suggests that Ro 26-4550 competes with IL-2RR for its binding site on IL-2 to interfer with IL-2/IL-2RR binding. [1] .
Analyses of the X-ray structure of Ro 26-4550 binding at the “hot spot” of IL-2 showed that the protein is changeable and then undergo significant rearrangements to create the small molecule binding site. This observation refutes the perception that protein-protein interactions are flat and featureless and indicates that the surface of IL-2 could exist additional nonobvious binding sites (binding a small molecule with high affinity). However, accurate structure-based predictions will be more difficult because of the adaptive nature of the site [2].
In vivo: So far, no study in vivo has been conducted.
Clinical trial: So far, no clinical study has been conducted.
References:
[1]. Tilley JW, Chen L, Fry DC, Emerson SD, Powers GD, Biondi D, Varnell T, Trilles R, Guthrie R, Mennona F, Kaplan G, LeMahieu RA, Carson M, Han R-J, Liu C-M, Palermo R, Ju G. Identification of a small molecule inhibitor of the IL-2/IL-2Rr receptor interaction which binds to IL-2. J. Am. Chem. Soc. 1997, 119, 7589-7590
[2] Braisted AC, Oslob JD, Delano WL, Hyde J, McDowell RS, Waal N, Yu C, Arkin MR, Raimundo BC. Discovery of a potent small molecule IL-2 inhibitor through fragment assembly. J Am Chem Soc. 2003 Apr 2;125(13):3714-5.
| Cas No. | 1217448-66-2 | SDF | |
| Chemical Name | (S)-methyl 2-(2-((R)-1-carbamimidoylpiperidin-3-yl)acetamido)-3-(4-(phenylethynyl)phenyl)propanoate 2,2,2-trifluoroacetate | ||
| Canonical SMILES | OC(C(F)(F)F)=O.NC(N1CCC[C@H](CC(N[C@H](C(OC)=O)CC2=CC=C(C#CC3=CC=CC=C3)C=C2)=O)C1)=N | ||
| Formula | C26H30N4O3.CF3CO2H | M.Wt | 560.57 |
| Solubility | <28.03mg/ml in DMSO | Storage | Store at -20°C |
| General tips | Please select the appropriate solvent to prepare the stock solution according to the
solubility of the product in different solvents; once the solution is prepared, please store it in
separate packages to avoid product failure caused by repeated freezing and thawing.Storage method
and period of the stock solution: When stored at -80°C, please use it within 6 months; when stored
at -20°C, please use it within 1 month. To increase solubility, heat the tube to 37°C and then oscillate in an ultrasonic bath for some time. |
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| Shipping Condition | Evaluation sample solution: shipped with blue ice. All other sizes available: with RT, or with Blue Ice upon request. | ||
| Prepare stock solution | |||
|
1 mg | 5 mg | 10 mg |
| 1 mM | 1.7839 mL | 8.9195 mL | 17.839 mL |
| 5 mM | 0.3568 mL | 1.7839 mL | 3.5678 mL |
| 10 mM | 0.1784 mL | 0.8919 mL | 1.7839 mL |
Step 1: Enter information below (Recommended: An additional animal making an allowance for loss during the experiment)
g
μL
Step 2: Enter the in vivo formulation (This is only the calculator, not formulation. Please contact us first if there is no in vivo formulation at the solubility Section.)
Calculation results:
Working concentration: mg/ml;
Method for preparing DMSO master liquid: mg drug pre-dissolved in μL DMSO ( Master liquid concentration mg/mL, Please contact us first if the concentration exceeds the DMSO solubility of the batch of drug. )
Method for preparing in vivo formulation: Take μL DMSO master liquid, next addμL PEG300, mix and clarify, next addμL Tween 80, mix and clarify, next add μL ddH2O, mix and clarify.
Method for preparing in vivo formulation: Take μL DMSO master liquid, next add μL Corn oil, mix and clarify.
Note: 1. Please make sure the liquid is clear before adding the next solvent.
2. Be sure to add the solvent(s) in order. You must ensure that the solution obtained, in the previous addition, is a clear solution before proceeding to add the next solvent. Physical methods such as vortex, ultrasound or hot water bath can be used to aid dissolving.
3. All of the above co-solvents are available for purchase on the GlpBio website.
Quality Control & SDS
- View current batch:
- Purity: >98.00%
- COA (Certificate Of Analysis)
- SDS (Safety Data Sheet)
- Datasheet
Average Rating: 5 (Based on Reviews and 25 reference(s) in Google Scholar.)
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