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. 2022 Jul 14;9:945808. doi: 10.3389/fmolb.2022.945808

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Copyright © 2022 Reis, Barletta, Gagliardi, Fortuna, Soler and Rocchia.

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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Epitope analysis. (A) Covox-269 Fab interacting with the receptor binding domain of SARS-Cov-2 spike protein (PDB code: 7NEH) as representative structure of Ab-Ag complex. The antigen is represented as a solid surface. Color code: antibody heavy/light chains (cyan/magenta), epitope (orange). (B) Length, expressed in residue number, distribution in all sequential epitope stretches and in the longest one. (C) Distribution of the fraction of residues at the epitope exclusively exposed at each considered probe radius. (D) Distribution of the secondary structure of the epitope. The different secondary structure elements were grouped in helix (H), strand (E), and loops (C).