3P1Z:
reference: Cleavage of intron from the standard or non-standard position of the precursor tRNA by the splicing endonuclease of Aeropyrum pernix, a hyper-thermophilic Crenarchaeon, involves a novel RNA recognition site in the Crenarchaea specific loop., Hirata A, Kitajima T, Hori H, Nucleic Acids Res. 2011 Nov;39(21):9376-89. Epub 2011 Aug 16. PMID: 21846775

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