Fig.1 (IMAGE) Osaka University Caption TOR complex activation mechanism by Glutamine binding to Pib2 complex: When glutamine is available, cells start to grown, while is unavailable, they start autophagy. The regulation is catalyzed by TOR complex, which is further regulated by binding Glutamine to Pib2 complex. Credit Osaka University Usage Restrictions None License Licensed 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.