PDB Entry (1snk)
PDB ID: 1snk Resolution: 2.4 Å Exp. Method: X-RAY DIFFRACTION
PMID: 15177446 DOI: 10.1016/j.bmcl.2004.04.084
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:   (4-bromophenyl)methyl N-[(2S)-4-methyl-1-oxo-1-[[(2S)-1-oxohexan-2-yl]amino]pentan-2-yl]carbamate
Canonical SMILES:   CCCC[C@@H](C=O)NC(=O)[C@H](CC(C)C)NC(=O)OCc1ccc(Br)cc1
Standard InChI:   InChI=1S/C20H29BrN2O4/c1-4-5-6-17(12-24)22-19(25)18(11-14(2)3)23-20(26)27-13-15-7-9-16(21)10-8-15/h7-10,12,14,17-18H,4-6,11,13H2,1-3H3,(H,22,25)(H,23,26)/t17-,18-/m0/s1
HET Code:   MYE PubChem:   5288867
DrugBank:   DB04234 ChEMBL:   CHEMBL1234554
Molecular Formula:   C20H29BrN2O4 Mol. Weight:   440.13107 logP:   3.9639
HBD:   2 HBA:   4
#Rotatable Bonds:   11 TPSA:   84.5
Covalent Mechanism
Reaction Name Residue Chain ID SASA pKa Warhead Name Warhead Structure
Hemi(thio)acetalization CYS 25 A 14.18 12.94 Aldehyde
Binding Affinity
Database Name Value
PDBBind IC50 : 0.25 nM
BindingDB IC50 : 0.25 nM