PDB Entry (4yv2)
PDB ID: 4yv2 Resolution: 2.17 Å Exp. Method: X-RAY DIFFRACTION
PMID: 26327378 DOI: 10.1107/S1399004715013048
Protein
Protein Name: Spermidine synthase, putative
Uniprot ID/ACC: Q4DA73 (Q4DA73_TRYCC) Organism: Trypanosoma cruzi (strain CL Brener)
Gene Symbol: Tc00.1047053510339.50 Gene ID: 3542221
Protein Class: TRANSFERASE
Ligand
Ligand Name:   2‐phenyl‐Isothiazolinone
Canonical SMILES:   O=c1ccsn1-c2ccccc2
Standard InChI:   InChI=1S/C9H7NOS/c11-9-6-7-12-10(9)8-4-2-1-3-5-8/h1-7H
HET Code:   4K3 PubChem:   11052198
DrugBank:   - ChEMBL:   CHEMBL99594
Molecular Formula:   C9H7NOS Mol. Weight:   177.02484 logP:   1.899
HBD:   0 HBA:   3
#Rotatable Bonds:   1 TPSA:   22.0
Covalent Mechanism
Reaction Name Residue Chain ID SASA pKa Warhead Name Warhead Structure
Ring Opening CYS 239 B 23.46 99.99 Isothiazolinone
Binding Affinity
Database Name Value
PDBBind IC50 : 51 nM