PDB Entry (5tdi)
PDB ID: 5tdi Resolution: 1.4 Å Exp. Method: X-RAY DIFFRACTION
PMID: 28049758 DOI: 10.1042/BCJ20160985
Protein
Protein Name: Cathepsin K
Uniprot ID/ACC: P43235 (CATK_HUMAN) Organism: Homo sapiens (Human)
Gene Symbol: CTSK Gene ID: 1513
Protein Class: HYDROLASE
Ligand
Ligand Name:   Odanacatib
Canonical SMILES:   C1CC1(C#N)NC(=O)[C@H](CC(F)(C)C)N[C@H](C(F)(F)F)c2ccc(cc2)-c3ccc(cc3)S(=O)(=O)C
Standard InChI:   InChI=1S/C25H27F4N3O3S/c1-23(2,26)14-20(22(33)32-24(15-30)12-13-24)31-21(25(27,28)29)18-6-4-16(5-7-18)17-8-10-19(11-9-17)36(3,34)35/h4-11,20-21,31H,12-14H2,1-3H3,(H,32,33)/t20-,21-/m0/s1
HET Code:   7AS PubChem:   10152654
DrugBank:   DB06670 ChEMBL:   CHEMBL481611
Molecular Formula:   C25H27F4N3O3S Mol. Weight:   525.1709 logP:   4.62928
HBD:   2 HBA:   5
#Rotatable Bonds:   9 TPSA:   99.06
Covalent Mechanism
Reaction Name Residue Chain ID SASA pKa Warhead Name Warhead Structure
Nucleophilic Addition to a Triple Bond CYS 25 A 17.38 12.41 Nitrile
Binding Affinity
Database Name Value
PDBBind Ki : 0.18 nM