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. 2021 Aug 25;12:730543. doi: 10.3389/fmicb.2021.730543

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Copyright © 2021 Villa-Rivera, Cano-Camacho, López-Romero and Zavala-Páramo.

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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Structure of AGs and AGPs. (A) Structure of AG Type I. (B) Structure of AG Type II. (C) The third type of structure reported for AGs, (D) Protein core of AtAGP14 (Accession number: AAG24282). (E) Three-dimensional structure model of AtAGP16 (Accession number: AAG24284).