Cryo-EM video of nitrogenase in catalysis (VIDEO) University of California - San Diego This video is under embargo. Please login to access this video. Caption For the first time, researchers at the University of California San Diego report near-atomic-resolution images and video of nitrogenase during catalysis using cryogenic electron microscopy (cryoEM). Credit Tezcan and Herzik groups / UC San Diego Usage Restrictions Editorial use only License Original 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.