PDB Entry (4yrt)
PDB ID: 4yrt Resolution: 2.05 Å Exp. Method: X-RAY DIFFRACTION
PMID: 26249349 DOI: 10.1107/S1399004715007683
Protein
Protein Name: Histidine--tRNA ligase
Uniprot ID/ACC: Q4DA54 (Q4DA54_TRYCC) Organism: Trypanosoma cruzi (strain CL Brener)
Gene Symbol: Tc00.1047053507019.40 Gene ID: 3542186
Protein Class: LIGASE
Ligand
Ligand Name:   N-(5-hydroxynaphthalen-2-yl)prop-2-enamide
Canonical SMILES:   Oc1cccc(c12)cc(cc2)NC(=O)C=C
Standard InChI:   InChI=1S/C13H11NO2/c1-2-13(16)14-10-6-7-11-9(8-10)4-3-5-12(11)15/h2-8,15H,1H2,(H,14,16)
HET Code:   781 PubChem:   -
DrugBank:   - ChEMBL:   -
Molecular Formula:   C13H11NO2 Mol. Weight:   213.07898 logP:   2.6699
HBD:   2 HBA:   2
#Rotatable Bonds:   2 TPSA:   49.33
Covalent Mechanism
Reaction Name Residue Chain ID SASA pKa Warhead Name Warhead Structure
Michael Addition CYS 365 A 28.48 10.94 Vinyl Carbonyl
Binding Affinity
Database Name Value
PDBBind IC50 : 1650000 nM