3VWA:
reference: Crystal structure of Cex1p reveals the mechanism of tRNA trafficking between nucleus and cytoplasm., Nozawa K, Ishitani R, Yoshihisa T, Sato M, Arisaka F, Kanamaru S, Dohmae N, Mangroo D, Senger B, Becker HD, Nureki O, Nucleic Acids Res. 2013 Apr 1;41(6):3901-14. doi: 10.1093/nar/gkt010. Epub 2013, Feb 8. PMID: 23396276

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