5WS2:
reference: New molecular insights into an archaeal RNase J reveal a conserved processive exoribonucleolysis mechanism of the RNase J family., Zheng X, Feng N, Li D, Dong X, Li J, Mol Microbiol. 2017 Nov;106(3):351-366. doi: 10.1111/mmi.13769. Epub 2017 Sep 5. PMID: 28795788

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