7-Methyl-6-thioguanosine
Based on 2 publication(s) in Google Scholar
7-Methyl-6-thioguanosine (MESG) is a chromogenic substrate that can be converted to 7-methyl-6-thioguanine in the presence of purine nucleoside phosphorylase and inorganic phosphate. 7-Methyl-6-thioguanosine can be used to quantify inorganic phosphate. 7-Methyl-6-thioguanosine can also be used to determine the activities of purine nucleoside phosphorylase and protein phosphatases.
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- Purity: 96.26%
- CAS No.: 55727-10-1
- 화학식: C11H15N5O4S
- 분자량:313.33
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보관:
-20°C, protect from light
* In solvent : -80°C, 6 months; -20°C, 1 month (protect from light)
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Biological Activity
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Chemical Information
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용액&용해도
- 순도&문서
- References
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Help & FAQs
Publications Citing Use of MedChemExpress (MCE) 7-Methyl-6-thioguanosine
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Biological Activity
Guide (The following is our recommended protocol. This protocol is only a guide and should be modified according to your specific needs).
Brief Steps for Assaying Protein Phosphatases[1]:
1. Reagent Preparation: Prepare a stock solution of 7-Methyl-6-thioguanosine in DMSO for use on the same day. Determine its concentration based on the absorbance value at 331 nm and the corresponding molar extinction coefficient.
2. Reaction System Setup: Prepare the reaction mixture according to the type of protein phosphatase to be detected.
3. Reaction Detection: Equilibrate the reaction mixture at 25°C for 5 minutes, then add the protein phosphatase to initiate the reaction. Record the absorbance changes at 360 nm using a double-beam spectrophotometer. Determine the initial reaction rate by analyzing the slope of the reaction curve with software, and quantify the released phosphate based on a specific extinction coefficient.
4. Data Analysis: Process the data using a non-linear regression analysis program, calculate parameters such as Km, Vmax to evaluate the activity of the protein phosphatase.
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
| NCT Number | Sponsor | Condition | Start Date |
Phase
|
|---|---|---|---|---|
| NCT01329991 | Plexxikon| | 2011-05 | PHASE1 |
Chemical Information
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CAS No. 55727-10-1
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Appearance Solid
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분자량 313.33
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화학식 C11H15N5O4S
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Color White to yellow
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SMILES
S=C1NC(N)=NC2=C1[N+](C)=CN2[C@H]3[C@@H]([C@@H]([C@@H](CO)O3)O)[O-]
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Synonyms
MESG
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선적
Room temperature in continental US; may vary elsewhere.
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보관
-20°C, protect from light
* In solvent : -80°C, 6 months; -20°C, 1 month (protect from light)
Publications (2)
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Journal Impact Factor
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Most Recent
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Nat Commun
2023 Oct 19;14(1):6619. PMID: 37857663 -
ACS Cent Sci
Deciphering the Biosynthesis and Physiological Function of 5-Methylated Pyrazinones Produced by Myxobacteria. [Abstract]2024 Feb 7;10(3):555-568. PMID: 38559311
용액&용해도
DMSO : ≥ 250 mg/mL (797.88 mM; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)
H2O : ≥ 125 mg/mL (398.94 mM)
* "≥" means soluble, but saturation unknown.
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 (protect from light). 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 (protect from light). 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)
순도&문서
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Data Sheet (277 KB)
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SDS (252 KB)
- English - EN (252 KB)
- Français - FR (252 KB)
- Deutsch - DE (252 KB)
- Norwegian - NO (252 KB)
- Español - ES (252 KB)
- Swedish - SV (252 KB)
- Italian - IT (252 KB)
- Korean - KR (252 KB)
- Portuguese - PT (252 KB)
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Handling Instructions (2659 KB)
References
[1]. Cheng Q, et al. A continuous spectrophotometric assay for protein phosphatases. Anal Biochem. 1995 Mar 20;226(1):68-73. [Content Brief]
[2]. Anna-Maja Aberg, et al. Effects of some modulators on purine nucleoside phosphorylase activity in myocardial tissue. Scand J Clin Lab Invest. 2010 Feb;70(1):8-14. [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 (protect from light). 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 | 3.1915 mL | 15.9576 mL | 31.9152 mL | 79.7881 mL |
| 5 mM | 0.6383 mL | 3.1915 mL | 6.3830 mL | 15.9576 mL | |
| 10 mM | 0.3192 mL | 1.5958 mL | 3.1915 mL | 7.9788 mL | |
| 15 mM | 0.2128 mL | 1.0638 mL | 2.1277 mL | 5.3192 mL | |
| 20 mM | 0.1596 mL | 0.7979 mL | 1.5958 mL | 3.9894 mL | |
| 25 mM | 0.1277 mL | 0.6383 mL | 1.2766 mL | 3.1915 mL | |
| 30 mM | 0.1064 mL | 0.5319 mL | 1.0638 mL | 2.6596 mL | |
| 40 mM | 0.0798 mL | 0.3989 mL | 0.7979 mL | 1.9947 mL | |
| 50 mM | 0.0638 mL | 0.3192 mL | 0.6383 mL | 1.5958 mL | |
| 60 mM | 0.0532 mL | 0.2660 mL | 0.5319 mL | 1.3298 mL | |
| 80 mM | 0.0399 mL | 0.1995 mL | 0.3989 mL | 0.9974 mL | |
| 100 mM | 0.0319 mL | 0.1596 mL | 0.3192 mL | 0.7979 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.
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