Molecular model of a protocell (IMAGE) Auburn University Department of Physics Caption Image of a protocell simulated with NAMD and built with VMD. Credit NIH Center for Macromolecular Modeling and Visualization Usage Restrictions Cite the credit. License Original 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.