1G51:
reference: Synthesis and recognition of aspartyl-adenylate by Thermus thermophilus aspartyl-tRNA synthetase., Poterszman A, Delarue M, Thierry JC, Moras D, J Mol Biol 1994 Nov 25;244(2):158-67. PMID: 7966328

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