5YZV:
reference: Biophysical and structural characterization of the thermostable WD40 domain of a prokaryotic protein, Thermomonospora curvata PkwA., Shen C, Du Y, Qiao F, Kong T, Yuan L, Zhang D, Wu X, Li D, Wu YD, Sci Rep. 2018 Aug 28;8(1):12965. doi: 10.1038/s41598-018-31140-y. PMID: 30154510

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