PDB Entry (1rwn)
PDB ID: 1rwn Resolution: 2.0 Å Exp. Method: X-RAY DIFFRACTION
PMID: 16511067 DOI: 10.1107/S1744309105010109
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:   3-{2-ETHYL-6-[4-(QUINOXALIN-2-YLAMINO)-BENZOYLAMINO]-HEXANOYLAMINO}-4-OXO-BUTYRIC ACID
Canonical SMILES:   CC[C@H](CCCCNC(=O)c1ccc(Nc2cnc3ccccc3n2)cc1)C(=O)N[C@@H](CC(O)=O)C=O
Standard InChI:   InChI=1S/C27H31N5O5/c1-2-18(27(37)31-21(17-33)15-25(34)35)7-5-6-14-28-26(36)19-10-12-20(13-11-19)30-24-16-29-22-8-3-4-9-23(22)32-24/h3-4,8-13,16-18,21H,2,5-7,14-15H2,1H3,(H,28,36)(H,30,32)(H,31,37)(H,34,35)/t18-,21+/m1/s1
HET Code:   4QB PubChem:   5287520
DrugBank:   - ChEMBL:   CHEMBL1230325
Molecular Formula:   C27H31N5O5 Mol. Weight:   505.2325 logP:   3.4581
HBD:   4 HBA:   7
#Rotatable Bonds:   14 TPSA:   150.38
Covalent Mechanism
Reaction Name Residue Chain ID SASA pKa Warhead Name Warhead Structure
Hemi(thio)acetalization CYS 285 A 29.26 12.9 Aldehyde
Binding Affinity
-