PDB Entry (6ay2)
PDB ID: 6ay2 Resolution: 1.6 Å Exp. Method: X-RAY DIFFRACTION
PMID: 29227683 DOI: 10.1021/acs.jmedchem.7b01430
Protein
Protein Name: Cathepsin B
Uniprot ID/ACC: P07858 (CATB_HUMAN) Organism: Homo sapiens (Human)
Gene Symbol: CTSB Gene ID: 1508
Protein Class: HYDROLASE
Ligand
Ligand Name:   N1-[(1S)-4-(carbamoylamino)-1-cyanobutyl]-N'1-[(1R)-1-(thiophen-3-yl)ethyl]cyclobutane-1,1-dicarboxamide
Canonical SMILES:   c1cscc1[C@@H](C)NC(=O)C2(CCC2)C(=O)N[C@H](C#N)CCCNC(=O)N
Standard InChI:   InChI=1S/C18H25N5O3S/c1-12(13-5-9-27-11-13)22-15(24)18(6-3-7-18)16(25)23-14(10-19)4-2-8-21-17(20)26/h5,9,11-12,14H,2-4,6-8H2,1H3,(H,22,24)(H,23,25)(H3,20,21,26)/t12-,14+/m1/s1
HET Code:   C1G PubChem:   -
DrugBank:   - ChEMBL:   -
Molecular Formula:   C18H25N5O3S Mol. Weight:   391.16782 logP:   1.55248
HBD:   4 HBA:   5
#Rotatable Bonds:   9 TPSA:   137.11
Covalent Mechanism
Reaction Name Residue Chain ID SASA pKa Warhead Name Warhead Structure
Nucleophilic Aliphatic Subsititution CYS 29 A 18.37 13.02 Nitrile
Binding Affinity
-