Model of Macromolecular Complex (IMAGE) NIH/National Institute on Drug Abuse Caption Computational model of a macromolecular complex. Credit Courtesy: NIDA IRP and Dr. Sergi Ferré 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.