PSI-7977


Catalog No. size PriceQuantity
M100-2S 2mg solid $79
M100-10S 10mg solid $320

Description

Product Information
Storage: Powder -20oC 3 years 4oC 2 years In solvent -80oC 6 months -20oC 1 month
Chemical Name: (2S)-isopropyl 2-(((((2R,3R,4R,5R)-5-(2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)-4-fluoro-3-hydroxy-4-methyltetrahydrofuran-2-yl)methoxy)(phenoxy)phosphoryl)amino)propanoate
Solubility: 10 mM in DMSO Sofosbuvir is prepared in vehicle (ddH2O)
CAS#: 1190307-88-0
Purity: >98%
Formula: C22H29FN3O9P
Molecular Weight: 529.45

 

Biological Activity:


PSI-7977 is an active inhibitor of HCV RNA replication in the HCV replicon assay, demonstrates potent anti-hepatitis C virus (HCV) activity.

How to use:

In Vitro: When cathepsin A (CatA) is incubated with PSI-7977 or PSI-7976 for 150 min, ~18-fold more PSI-352707 is formed when PSI-7977 is the substrate compared with PSI-7976. Moreover, the catalytic efficiency for PSI-7977 with CatA is ~30-fold higher than that for PSI-7976[1]. The genotype coverage of PSI-7977 by using GT 1b (Con1)-, 1a (H77)-, and 2a (JFH-1)-derived replicons and GT 1b chimeric replicons containing the NS5B region from the J6 GT 2a isolate and from GT 2b and GT 3a patient isolates is evaluated, PSI-7977 inhibits the replication of these replicons with similar EC50s (between 16 and 48 nM), and is especially active against the chimeric replicon containing the J6 NS5B (EC50=4.7 nM). PSI-7977 inhibits clone A (GT 1b) wild-type and S282T replicons with EC90 values of 0.42 and 7.8 μM, respectively[2]. In the clone A replicon assay, PSI-7977 produces anti-HCV activity with EC90 values 0.42 μM[3].

Reference:

[1]. Murakami E, et al. Mechanism of activation of PSI-7851 and its diastereoisomer PSI-7977.J Biol Chem. 2010 Nov 5;285(45):34337-47.
[2]. Lam AM, et al. Genotype and subtype profiling of PSI-7977 as a nucleotide inhibitor of hepatitis C virus. Antimicrob Agents Chemother. 2012 Jun;56(6):3359-68.
[3]. Sofia MJ, et al. Discovery of a β-d-2'-deoxy-2'-α-fluoro-2'-β-C-methyluridine nucleotide prodrug (PSI-7977) for the treatment of hepatitis C virus. J Med Chem. 2010 Oct 14;53(19):7202-18.
[4]. Zhang X, et al. Discovery and evolution of aloperine derivatives as a new family of HCV inhibitors with novel mechanism. Eur J Med Chem. 2018 Jan 1;143:1053-1065.

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