6DU7:
reference: The structure and activity of the glutathione reductase from Streptococcus pneumoniae., Sikanyika M, Aragao D, McDevitt CA, Maher MJ, Acta Crystallogr F Struct Biol Commun. 2019 Jan 1;75(Pt 1):54-61. doi:, 10.1107/S2053230X18016527. Epub 2019 Jan 1. PMID: 30605126

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