IM30 (IMAGE) Johannes Gutenberg Universitaet Mainz Caption Multiple IM30 proteins form large, oligomeric ring structures. IM30 rings bind to stressed membrane surfaces, disassemble, and individual proteins partially unfold. Multiple IM30 proteins form a protective carpet structure on the membrane surface. Credit ill./©: Dirk Schneider and Benedikt Junglas, JGU Usage Restrictions This image may only be used in connection with the press release "Protective shield: Membrane-attached protein protects bacteria & chloroplasts from stress", issued by Johannes Gutenberg University Mainz on October 23, 2020. 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.