NuA4 cryo-EM Structure (IMAGE) University of Science and Technology of China Caption The NuA4 cryo-EM structure is akin to a diamond ring. Credit USTC News Center 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.