The Bacterial RNA Universe (IMAGE) University of Würzburg Caption The structures of the different regulatory RNA molecules are shown left, their preferred protein binding partners on the right. Credit (Picture: Alexandre Smirnov) 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.