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Design of Angiotensin-converting Enzyme 2 (ACE2) Inhibitors by Virtual Lead Optimization and Screening.

Juan E TorresRosa BaldirisRicardo Vivas-Reyes
Published in: Journal of the Chinese Chemical Society. Zhongguo hua xue hui (Taipei, Taiwan) (2012)
A group of presumed drug-like molecules that possess high in silico affinity for angiotensin-converting enzyme 2 were computationally designed. This enzyme is a promising new target in both cardiorenal disease and some coronavirus infections. A set of substrate analogous molecules were optimized by means of the LeapFrog module of the SYBYL package. Later, Molinspiration and Molsoft were used for screening out the compounds with low oral bioavailability. Similarly, OSIRIS was used for screening out the compounds having serious side effects. At the end of several stages of screening, seven candidates to anti-viral drugs fulfiling all the evaluated criteria were obtained. They are amenable for future studies in vitro and in vivo. These designed ligands were finally evaluated by Quantitative Structure Activity Relationship studies. 21 molecules were used to carry out the qsar models. Fom these four molecules were taken as external sets yielding models with q 2 = 0.652 and r 2 = 0.962 values.
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