Robuta

https://www.ncbi.nlm.nih.gov/Structure/pdb/1T32
Cathepsin G2-[3-({METHYL[1-(2-NAPHTHOYL)PIPERIDIN-4-YL]AMINO}CARBONYL)-2-NAPHTHYL]-1-(1-NAPHTHYL)-2-OXOETHYLPHOSPHONIC ACIDSULFATE ION
cathepsin gdualinhibitorleukocyteproteases