PDB Entry (2nqi)
PDB ID: 2nqi Resolution: 2.04 Å Exp. Method: X-RAY DIFFRACTION
PMID: 17218315 DOI: 10.1074/jbc.M610372200
Protein
Protein Name: Calpain-1 catalytic subunit
Uniprot ID/ACC: P97571 (CAN1_RAT) Organism: Rattus norvegicus (Rat)
Gene Symbol: Capn1 Gene ID: 29153
Protein Class: HYDROLASE
Ligand
Ligand Name:   WR13(R,R)
Canonical SMILES:   CCOC(=O)[C@@H](C)[C@@H](O)C(=O)N[C@@H](CC=C)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H](Cc1c[nH]c2ccccc12)C(N)=O
Standard InChI:   InChI=1S/C29H42N8O7/c1-4-9-20(36-27(42)23(38)16(3)28(43)44-5-2)25(40)35-21(12-8-13-33-29(31)32)26(41)37-22(24(30)39)14-17-15-34-19-11-7-6-10-18(17)19/h4,6-7,10-11,15-16,20-23,34,38H,1,5,8-9,12-14H2,2-3H3,(H2,30,39)(H,35,40)(H,36,42)(H,37,41)(H4,31,32,33)/t16-,20-,21-,22-,23+/m0/s1
HET Code:   NQI PubChem:   -
DrugBank:   - ChEMBL:   -
Molecular Formula:   C29H42N8O7 Mol. Weight:   614.3176 logP:   -0.95043
HBD:   9 HBA:   8
#Rotatable Bonds:   18 TPSA:   254.61
Covalent Mechanism
Reaction Name Residue Chain ID SASA pKa Warhead Name Warhead Structure
Epoxide Opening CYS 115 A 17.97 14.15 Epoxide
Binding Affinity
Database Name Value
PDBBind IC50 : 784 nM