AUTHOR=Rapposelli Simona , Gaudio Eugenio , Bertozzi Fabio , Gul Sheraz TITLE=Editorial: Protein–Protein Interactions: Drug Discovery for the Future JOURNAL=Frontiers in Chemistry VOLUME=9 YEAR=2021 URL=https://www.frontiersin.org/journals/chemistry/articles/10.3389/fchem.2021.811190 DOI=10.3389/fchem.2021.811190 ISSN=2296-2646