BRAIDS 1 (IMAGE) Rice University Caption This illustration by Rice University scientists demonstrates that cohesin exists as an ensemble of braided structures (middle). Cohesin is a member of a family of proteins that have an important role in DNA organization, but little is known about the mechanism of DNA operation. Braiding of coiled coil regions was achieved in Rice's computational models using both the initial ring-shaped complex (right) or by applying torque to separated protein members (left). Protein members are shown in blue and red. Credit Dana Krepel/Rice University 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.