4WBD:
reference: X-ray Crystallographic Structure of BshC, a Unique Enzyme Involved in Bacillithiol Biosynthesis., VanDuinen AJ, Winchell KR, Keithly ME, Cook PD, Biochemistry. 2014 Dec 18. PMID: 25496067

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