Arrestin Loops Interaction (IMAGE) Charité - Universitätsmedizin Berlin Caption Arrestin loops interact directly with the membrane adjacent to the GPCR. Credit Figure: Jana Selent, Pompeu Fabra 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.