SEC (IMAGE) Stowers Institute for Medical Research Caption The Super Elongation Complex (SEC) activates stalled RNA polymerase II in response to developmental and environmental cues. Credit Courtesy of Dr. Ali Shalitifard, Stowers Institute for Medical Research with permission of CSHL press. 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.