Graphic (IMAGE) Brigham and Women's Hospital Caption Alignment of multiple antibodies that use a lysine-specific GRAB motif shows that they recognize their targets in very similar ways. Credit Stephen J. Elledge, PhD, and Ellen L. Shrock, PhD. Usage Restrictions None License Original 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.