A Molecular Motor Moves Along DNA (VIDEO) Harvard University 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 The molecular motor RNA polymerase rotates around DNA, shifting from one base pair to another. Credit Pallav Kosuri/Zhuang Lab/Harvard University Usage Restrictions With proper 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.