2OGK:
reference: UPF201 archaeal specific family members reveal structural similarity to RNA-binding proteins but low likelihood for RNA-binding function., Rao KN, Burley SK, Swaminathan S, PLoS ONE. 2008;3(12):e3903. Epub 2008 Dec 11. PMID: 19079550

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