3RG5:
reference: Crystal structure analysis reveals functional flexibility in the selenocysteine-specific tRNA from mouse., Ganichkin OM, Anedchenko EA, Wahl MC, PLoS One. 2011;6(5):e20032. Epub 2011 May 24. PMID: 21629646

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