Cell Protein Structures (IMAGE) U.S. National Science Foundation Caption EPP will engineer into cells protein structures that reduce photorespiration and boost photosynthesis. Credit Elizabeth Yendrek, Melissa Edwards and Steve Long, University of Illinois; and Seth Axen and Cheryl Kerfeld, UC-Berkeley. 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.