Size and Flexibility Define the Inhibition of the H3N2 Influenza Endonuclease Enzyme by Calix[n]arenes

oleh: Yannick Tauran, José Pedro Cerón-Carrasco, Moez Rhimi, Florent Perret, Beomjoon Kim, Dominique Collard, Anthony W. Coleman, Horacio Pérez-Sánchez

Format: Article
Diterbitkan: MDPI AG 2019-06-01

Deskripsi

Inhibition of H3N2 influenza PA endonuclease activity by a panel of anionic calix[n]arenes and &#946;-cyclodextrin sulfate has been studied. The joint experimental and theoretical results reveal that the larger, more flexible and highly water-soluble sulfonato-calix[n]arenes have high inhibitory activity, with para-sulfonato-calix[8]arene, SC8, having an IC<sub>50</sub> value of 6.4 &#956;M. Molecular docking calculations show the SC8 can interact at both the polyanion binding site and also the catalytic site of H3N2 influenza PA endonuclease.