PDB Entry (1nc6)
PDB ID: 1nc6 Resolution: 1.9 Å Exp. Method: X-RAY DIFFRACTION
PMID: 12930148 DOI: 10.1021/jm030050p
Protein
Protein Name: Cationic trypsin
Uniprot ID/ACC: P00760 (TRY1_BOVIN) Organism: Bos taurus (Bovine)
Gene Symbol: - Gene ID: 615026
Protein Class: HYDROLASE
Ligand
Ligand Name:   (2S,4R)-1-ACETYL-N-[(1S)-4-[(AMINOIMINOMETHYL)AMINO]-1-(2-BENZOTHIAZOLYLCARBONYL)BUTYL]-4-HYDROXY-2-PYRROLIDINECARBOXAMIDE
Canonical SMILES:   CC(=O)N1C[C@H](O)C[C@H]1C(=O)N[C@@H](CCCNC(N)=N)C(=O)c1nc2ccccc2s1
Standard InChI:   InChI=1S/C20H26N6O4S/c1-11(27)26-10-12(28)9-15(26)18(30)24-14(6-4-8-23-20(21)22)17(29)19-25-13-5-2-3-7-16(13)31-19/h2-3,5,7,12,14-15,28H,4,6,8-10H2,1H3,(H,24,30)(H4,21,22,23)/t12-,14+,15+/m1/s1
HET Code:   ABB PubChem:   5287596
DrugBank:   DB02812 ChEMBL:   CHEMBL256892
Molecular Formula:   C20H26N6O4S Mol. Weight:   446.1736 logP:   0.20877
HBD:   5 HBA:   7
#Rotatable Bonds:   8 TPSA:   161.5
Covalent Mechanism
Reaction Name Residue Chain ID SASA pKa Warhead Name Warhead Structure
Hemi(thio)acetalization SER 195 A 18.95 - Ketone
Binding Affinity
Database Name Value
PDBBind Ki : 10 nM