UNC Researchers Engineer 'Protein Switch' to Dissect Role of Cancer's Key Players (image) University of North Carolina Health Care Share Print E-Mail Caption At top is a structural model of uniRapR domain which binds small molecule rapamycin. The bottom left depicts inactive state of the protein of interest modified with uniRapR domain. Binding of rapamycin and uniRapR reactivates the protein (bottom right). Credit Dokholyan Lab, UNC School of Medicine Usage Restrictions None Share Print E-Mail 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.