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. 2021 Dec 1;12:7001. doi: 10.1038/s41467-021-27295-4

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© The Author(s) 2021

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 7 — The RecA1 and RecA2 domains are shown in dark and light green, CTD and the insertion helices are shown in purple, Pol II in gray, the DNA strands in light and dark blue. The directions of the swing motions of the ATPase domains and the rotation of the upstream DNA duplex are depicted by dashed arrows. The red star indicates the ATP hydrolysis event.