The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
It is well established that an A-tract imparts curvature to the DNA double helix. Constructs of such A-tracts have been used as bend standards in a large number of both structural and functional studies, and A-tracts can confer significant activation in transcription. An accurate value for the bend angle induced by an A-tract is centrally important to all such studies, but the estimates reported for...