Shapes of ClpB Rings (IMAGE) National Institutes of Natural Sciences Caption This figure shows snapshots (upper panels) and schematics (lower panels) of the ClpB closed rings from the movie obtained by HS-AFM. The closed rings are classified into round, spiral and twisted-half-spiral. A bar on upper left panel designates a scale of 2 nm. Credit NINS/IMS 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.