3I7F:
reference: Crystal structure of the aspartyl-tRNA synthetase from Entamoeba histolytica., Merritt EA, Arakaki TL, Larson ET, Kelley A, Mueller N, Napuli AJ, Zhang L, Deditta G, Luft J, Verlinde CL, Fan E, Zucker F, Buckner FS, Van Voorhis WC, Hol WG, Mol Biochem Parasitol. 2010 Feb;169(2):95-100. Epub 2009 Oct 27. PMID: 19874856

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