PDB Entry (2r9f)
PDB ID: 2r9f Resolution: 1.6 Å Exp. Method: X-RAY DIFFRACTION
PMID: 18702462 DOI: 10.1021/jm800045t
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:   benzyl N-[(1S)-3-methyl-1-{[(2S)-1-{[3-(4-methylpiperazin-1-yl)propyl]carbamoyl}-1-oxobutan-2-yl]carbamoyl}butyl]carbamate
Canonical SMILES:   CC[C@H](NC(=O)[C@H](CC(C)C)NC(=O)OCc1ccccc1)C(=O)C(=O)NCCCN1CCN(C)CC1
Standard InChI:   InChI=1S/C27H43N5O5/c1-5-22(24(33)26(35)28-12-9-13-32-16-14-31(4)15-17-32)29-25(34)23(18-20(2)3)30-27(36)37-19-21-10-7-6-8-11-21/h6-8,10-11,20,22-23H,5,9,12-19H2,1-4H3,(H,28,35)(H,29,34)(H,30,36)/t22-,23-/m0/s1
HET Code:   K2Z PubChem:   25053410
DrugBank:   - ChEMBL:   CHEMBL471313
Molecular Formula:   C27H43N5O5 Mol. Weight:   517.3264 logP:   1.5451
HBD:   3 HBA:   7
#Rotatable Bonds:   14 TPSA:   120.08
Covalent Mechanism
Reaction Name Residue Chain ID SASA pKa Warhead Name Warhead Structure
Hemi(thio)acetalization CYS 115 A 19.4 11.52 Ketone
Binding Affinity
-