1PXG:
reference: An essential role for aspartate 264 in catalysis by tRNA-guanine transglycosylase from Escherichia coli., Kittendorf JD, Sgraja T, Reuter K, Klebe G, Garcia GA, J Biol Chem 2003 Oct 24;278(43):42369-76. Epub 2003 Aug 8. PMID: 12909636

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