Rosetta/PHENIX Modeling (IMAGE) DOE/Lawrence Berkeley National Laboratory Caption X-ray crystallography of proteins yields structural images that resemble the artwork of M.C. Escher. A combination of the PHENIX and Rosetta programs can help refine these structural images. Credit Courtesy of Berkeley Lab 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.