Overlay (IMAGE) Durham University Caption High resolution structures of the MenT3 (blue) and MenT4 (pink) protein toxins, overlaid to show their similarity. Credit Ben Usher, Dr Tim Blower 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.