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The Nature of Nanodisc Lipids Influences Fragment‐Based Drug Discovery Results

Chemical Biology and Drug Design

Fragment-based drug discovery (FBDD) was applied to cytochrome P450 3A4 reconstituted in Nanodiscs (NDs) with various lipid compositions. The choice of ND lipid influenced drug membrane interactions and fragment hit rates, demonstrating the critical role of the membrane environment in fragment screening for membrane proteins.

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SARS-CoV-2 main protease. Crowdsourcing, peptidomimetics and fragments

Molecular Design

I’ve been looking at the published inhibitors shown below in Chart 1 (which exhibit antiviral activity and have been subjected to pharmacokinetic and toxicological evaluation) and have written some notes on mapping the structure-activity relationship for compounds like these.

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SARS-CoV-2 Protease Inhibitors: An Attractive Approach for Treating COVID-19

PerkinElmer

The second virtual screen focused on optimization of a hit from a previous crystallographic fragment screen. Fragment-to-lead optimization was guided by searches in a library of millions of compounds combined with docking screens to select the best candidate.