5WK0:
reference: Structure and Function of the Bacillithiol-S-Transferase BstA from Staphylococcus aureus., Francis JW, Royer CJ, Cook PD, Protein Sci. 2018 Feb 8. doi: 10.1002/pro.3384. PMID: 29417696

This OCA Structure page
uses Jmol, developed by the Jmol Development Team (documentation).