COVID 2 (IMAGE) Rice University Caption A Rice University web server can help researchers identify potential drugs to treat COVID-19. In the physiological environment, a protein is not a static entity, but can move and adopt an ensemble of conformations. In this illustration, the main protease of SARS-CoV-2 is represented in green and multiple conformations are represented in light gray. Credit Illustration by Mauricio Rigo/Rice University Usage Restrictions None License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.