Pharmacological Chaperone (IMAGE) University of Massachusetts Amherst Caption The alpha-galactosidase enzyme (yellow) is shown binding to the pharmacological chaperone DGJ (colored). The key interaction responsible for the high potency of DGJ is marked with an arrow at right. Credit Graphic courtesy of Scott Garman at UMass Amherst 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.