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. 2021 Jun 29;11:672448. doi: 10.3389/fcimb.2021.672448

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Copyright © 2021 Callejas-Hernández, Herreros-Cabello, del Moral-Salmoral, Fresno and Gironès

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Sequence structure of mHCRs (red) and mHVRs (blue) in group 1 (A) and group 2 (B) of the Y strain minicircles. Logos of the CSB regions are displayed in each mHCR.