4YKG:
reference: Crystallographic and solution studies of NAD- and NADH-bound alkylhydroperoxide reductase subunit F (AhpF) from Escherichia coli provide insight into sequential enzymatic steps., Kamariah N, Manimekalai MS, Nartey W, Eisenhaber F, Eisenhaber B, Gruber G, Biochim Biophys Acta. 2015 Jun 17;1847(10):1139-1152. doi:, 10.1016/j.bbabio.2015.06.011. PMID: 26092085

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