protein knot (IMAGE) Johannes Gutenberg Universitaet Mainz Caption The most complex protein knot with seven crossings (left) predicted by AlphaFold and a simplified representation (right) Credit ill./©: Maarten Brems, CC BY 4.0 Usage Restrictions Credit must be given to the creator. Only noncommercial uses of the work are permitted. No derivatives or adaptations of the work are permitted. License CC BY-NC-ND 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.