β-S-ARCA
β-S-ARCA (3'-O-Me-m7G(5')ppp(5')G) is a mRNA 7-methylguanosine (m7G) cap analog carrying a phosphorothioate (PS) moiety. β-S-ARCA binds eIF4E via electrostatic interactions between its β-sulfur atom and positively charged Arg and Lys residues in the protein binding site. β-S-ARCA prevents the decapping by Dcp2, increases the mRNA half-life, enhances cap-dependent translation, and increases protein expression in cells. β-S-ARCA has been applied in researching experimental mRNA-based anticancer vaccines.
For research use only. We do not sell to patients.
- CAS No.: 1093268-63-3
- Formula: C22H31N10O17P3S
- Molecular Weight:832.52
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Storage:
Please store the product under the recommended conditions in the Certificate of Analysis.
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Biological Activity
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Chemical Information
- Purity & Documentation
- References
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Help & FAQs
All DNA/RNA Synthesis Isoforms
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Biological Activity
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eIF4E |
β-S-ARCA exists as a pair of diastereomer D1 and D2 with D1 binding purified eIF4E with a Kd of 23.2 nM, and D2 binding purified eIF4E with a Kd of 51.8 nM,[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. 1093268-63-3
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Molecular Weight 832.52
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Formula C22H31N10O17P3S
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SMILES
O=P(O)(OC[C@@H]1[C@@H](O)[C@@H](O)[C@H](N2C=NC3=C2NC(N)=NC3=O)O1)OP(OP(OC[C@@H]4[C@@H](O)[C@@H](OC)[C@H](N5C(NC(N)=N6)=C([N+](C)=C5)C6=O)O4)([O-])=O)(S)=O
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Synonyms
3'-O-Me-m7G(5')ppp(5')G
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Shipping
Room temperature in continental US; may vary elsewhere.
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Storage
Please store the product under the recommended conditions in the Certificate of Analysis.
Purity & Documentation
References
[1]. Warminski M, et al. Chemical Modifications of mRNA Ends for Therapeutic Applications. Acc Chem Res. 2023;56(20):2814-2826. [Content Brief]
[2]. Wojtczak BA, et al. 5'-Phosphorothiolate Dinucleotide Cap Analogues: Reagents for Messenger RNA Modification and Potent Small-Molecular Inhibitors of Decapping Enzymes. J Am Chem Soc. 2018;140(18):5987-5999. [Content Brief]
Calculators
Concentration (start) × Volume (start) = Concentration (final) × Volume (final)
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