SMAC (IMAGE) Biophysical Society Caption This SMAC image shows mutant p53 proteins in the blood of an ovarian cancer patient. Individual clusters of p53 molecules are represented by red spots. Credit Shih-Chin Wang 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.