PKC AD Variants (IMAGE) University of California - San Diego Caption One Alzheimer's-associated mutation in the PKC protein leads to a cavity that enhances its activity. Credit UC San Diego Health Usage Restrictions Use photo credit as indicated 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.