PDB Entry (1a54)
PDB ID: 1a54 Resolution: 1.6 Å Exp. Method: X-RAY DIFFRACTION
PMID: 9671506 DOI: 10.1021/bi980428z
Protein
Protein Name: Phosphate-binding protein PstS
Uniprot ID/ACC: P0AG82 (PSTS_ECOLI) Organism: Escherichia coli (strain K12)
Gene Symbol: pstS Gene ID: 58391163
Protein Class: TRANSFERASE
Ligand
Ligand Name:   N-[2-(1-maleimidyl)ethyl]-7-(diethylamino)coumarin-3-carboxamide
Canonical SMILES:   CCN(CC)c(c1)ccc(c12)cc(c(o2)=O)C(=O)N/C=C/N3C(=O)C=CC3=O
Standard InChI:   InChI=1S/C20H19N3O5/c1-3-22(4-2)14-6-5-13-11-15(20(27)28-16(13)12-14)19(26)21-9-10-23-17(24)7-8-18(23)25/h5-12H,3-4H2,1-2H3,(H,21,26)/b10-9+
HET Code:   MDC PubChem:   -
DrugBank:   - ChEMBL:   -
Molecular Formula:   C20H19N3O5 Mol. Weight:   381.13248 logP:   1.7652
HBD:   1 HBA:   6
#Rotatable Bonds:   6 TPSA:   99.93
Covalent Mechanism
Reaction Name Residue Chain ID SASA pKa Warhead Name Warhead Structure
Michael Addition CYS 197 A 18.46 17.18 Vinyl Carbonyl
Binding Affinity
-