Locked and Loaded (IMAGE) Brown University Caption This rendering shows key bindings of three shortened proteins with the enzyme PP2A: Phosphorylated RepoMan (yellow), Phosphorylated BubR1 (slate), and double phosphorylated BubR1 (magenta). Credit Xinru Wang, et al./Brown University Usage Restrictions with credit 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.