eIF2B-ISRB cryo-EM Structure (VIDEO) Howard Hughes Medical Institute This video is under embargo. Please login to access this video. To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Caption An experimental drug nicknamed ISRIB (animation zooms in on the white and red molecule at the end) acts as a molecular staple, pinning together identical subcomplexes of a protein called eIF2B. Credit Walter Lab/HHMI/UCSF Usage Restrictions Must use with credit. 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.