2ZW9:
reference: Structural basis of tRNA modification with CO2 fixation and methylation by wybutosine synthesizing enzyme TYW4., Suzuki Y, Noma A, Suzuki T, Ishitani R, Nureki O, Nucleic Acids Res. 2009 May;37(9):2910-25. Epub 2009 Mar 14. PMID: 19287006

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