1BS2:
reference: L-arginine recognition by yeast arginyl-tRNA synthetase., Cavarelli J, Delagoutte B, Eriani G, Gangloff J, Moras D, EMBO J 1998 Sep 15;17(18):5438-48. PMID: 9736621

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