Spy (IMAGE) University of Michigan Caption A cradle-shaped molecular assistant called Spy aids in protein refolding and protects unstable proteins from being cut up or sticking to other proteins. Credit Shu Quan 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.