Index Ligand Name Ligand ID Canonical SMILES #Protein-Ligand Complex(es) 1 Suc-Ala-Ala-Pro-Phe-chloromethylketone COVPDB1011 C[C@H](NC(=O)CCC(O)=O)C(=O)N[C@@H](C)C(=O)N1CCC[C@H]1C(=O)N[C@@H](Cc1ccccc1)C(=O)CCl 3