spr 519

Pateamine A is a marine macrolide that is isolated from the sponge Mycale hentscheli and exhibits anticancer and antiviral properties. It has a role as a marine metabolite, an antiviral agent, an antineoplastic agent, and a eukaryotic initiation factor 4F inhibitor. It is a macrolide, a member of 1,3-thiazoles, a tertiary amino compound, a primary amino compound, and an olefinic compound. Pateamine A an inhibitor of eukaryotic translation.

SPR519 is a potent dual inhibitor of PI3Kα and mTOR kinases with IC50 (PI3Kalpha) = 30 nM and IC50 (mTOR) = 10 nM. SPR519 exhibits an EC50 of low sub-micromolar range among various tested cancer cell lines such as A2780 (0.23 μM), PC3 (0.48 μM), and SKOV3 (0.50 μM).