Robuta

https://www.ncbi.nlm.nih.gov/Structure/pdb/3OVZ
Cathepsin KN-[(1S)-3-amino-1-ethyl-2,3-dioxopropyl]-2-chloro-4-(pyridin-2-ylmethoxy)-3-(trifluoromethyl)benzamideSULFATE ION
cathepsin kcomplexcovalentinhibitor