Protein folding models (IMAGE) University of Tokyo Caption Four iterations of WSME, from the original to the new, and two specialized versions for more specific circumstances. Credit ©2023 Ooka & Arai CC-BY Usage Restrictions Credit must be given to the creator. License CC BY 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.