Into the Fold (IMAGE) Salk Institute Caption A computer-generated 3-D model played a crucial role in identifying the amino acid residues (shown in red) that allow Est3 to interact with yeast telomerase. Green dots represent amino acid residues that are important for Est3 to perform its function at the telomere. Credit Image: Courtesy of Edward Mandell, Salk Institute for Biological Studies Usage Restrictions News media reproduction to illustrate this story permitted with proper attribution as provided above. For one time use only. 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.