Clathrin (IMAGE) Florida State University Caption The structure of the clathrin cage that forms around a vesicle, a fluid-filled package that moves materials between compartments in cells. Florida State University researchers determined this cage structure and what determines its shape and size in a paper published in Science Advances. Credit Courtesy of Scott Stagg Usage Restrictions The image may only be used with appropriate caption or 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.