PDB Entry (5cbn)
PDB ID: 5cbn Resolution: 2.3 Å Exp. Method: X-RAY DIFFRACTION
PMID: 26980593 DOI: 10.1038/ncomms11031
Protein
Protein Name: Immunoglobulin G-binding protein A
Uniprot ID/ACC: P38507 (SPA_STAAU) Organism: Staphylococcus aureus
Gene Symbol: spa Gene ID: -
Protein Class: CELL CYCLE
Ligand
Ligand Name:   2,2'-ethyne-1,2-diylbis{5-[(chloroacetyl)amino]benzenesulfonic acid
Canonical SMILES:   OS(=O)(=O)c1cc(NC(=O)CCl)ccc1C#Cc1ccc(NC(=O)CCl)cc1S(O)(=O)=O
Standard InChI:   InChI=1S/C18H14Cl2N2O8S2/c19-9-17(23)21-13-5-3-11(15(7-13)31(25,26)27)1-2-12-4-6-14(22-18(24)10-20)8-16(12)32(28,29)30/h3-8H,9-10H2,(H,21,23)(H,22,24)(H,25,26,27)(H,28,29,30)
HET Code:   EYC PubChem:   101447703
DrugBank:   - ChEMBL:   -
Molecular Formula:   C18H14Cl2N2O8S2 Mol. Weight:   519.95685 logP:   1.9344
HBD:   4 HBA:   6
#Rotatable Bonds:   6 TPSA:   166.94
Covalent Mechanism
Reaction Name Residue Chain ID SASA pKa Warhead Name Warhead Structure
Nucleophilic Aliphatic Subsititution CYS 1226 A 25.24 10.56 Halomethyl Carbonyl
Nucleophilic Aliphatic Subsititution CYS 133 A 52.48 9.59 Halomethyl Carbonyl
Binding Affinity
-