PDB Entry (1bmq)
PDB ID: 1bmq Resolution: 2.5 Å Exp. Method: X-RAY DIFFRACTION
PMID: 9987822 DOI: -
Protein
Protein Name: Caspase-1
Uniprot ID/ACC: P29466 (CASP1_HUMAN) Organism: Homo sapiens (Human)
Gene Symbol: CASP1 Gene ID: 834
Protein Class: HYDROLASE
Ligand
Ligand Name:   (3S )-N-METHANESULFONYL-3-({1-[N-(2-NAPHTOYL)-L-VALYL]-L-PROLYL }AMINO)-4-OXOBUTANAMIDE
Canonical SMILES:   CC(C)[C@H](NC(=O)c1ccc2ccccc2c1)C(=O)N1CCC[C@H]1C(=O)N[C@@H](CC(=O)NS(C)(=O)=O)C=O
Standard InChI:   InChI=1S/C26H32N4O7S/c1-16(2)23(28-24(33)19-11-10-17-7-4-5-8-18(17)13-19)26(35)30-12-6-9-21(30)25(34)27-20(15-31)14-22(32)29-38(3,36)37/h4-5,7-8,10-11,13,15-16,20-21,23H,6,9,12,14H2,1-3H3,(H,27,34)(H,28,33)(H,29,32)/t20-,21-,23-/m0/s1
HET Code:   MNO PubChem:   5288820
DrugBank:   - ChEMBL:   CHEMBL1234397
Molecular Formula:   C26H32N4O7S Mol. Weight:   544.19916 logP:   0.7348
HBD:   3 HBA:   7
#Rotatable Bonds:   10 TPSA:   158.82
Covalent Mechanism
Reaction Name Residue Chain ID SASA pKa Warhead Name Warhead Structure
Hemi(thio)acetalization CYS 285 A 27.33 12.52 Aldehyde
Binding Affinity
Database Name Value
PDBBind IC50 : 38 nM
BindingDB IC50 : 38 nM