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. 2021 Mar 6;26(5):1422. doi: 10.3390/molecules26051422

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© 2021 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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Structure of phi29 prohead RNA (pRNA) 3-way junction core. (A) The secondary structure of the pRNA. (B) The tertiary structure of the pRNA (PDB ID: 4KZ2) [137].