5-Benzyloxygramine is a N protein PPI orthosteric stabilizer that exhibits both antiviral and N-NTD protein-stabilizing activities[1].
5-benzyloxygramine stabilizes the N-NTD dimers through simultaneous hydrophobic interactions with both partners, resulting in abnormal N protein oligomerization that was further confirmed in the cell[1].
[1]. Shan-Meng Lin, et al. Structure-Based Stabilization of Non-native Protein-Protein Interactions of Coronavirus Nucleocapsid Proteins in Antiviral Drug Design. J Med Chem. 2020 Mar 26;63(6):3131-3141.