The Publisher regrets that the article by authors Richa Garg, Arun Agarwal, Roshan Katekar, Shailesh Dadge, Shubhi Yadav and Jiaur R. Gayen which is part of this Special Issue: Enzyme Inhibitors for Drug Discovery, was published in an earlier issue 55_5: 549–561.

We would like to express our thanks to the Editors, Prof. Patrick Meffre, Prof. Zohra Benfodda and Prof. Sébastien Albrecht, for their dedication and work assembling this collection of reviews and research for Amino Acids.”