2ZR3:
reference: Crystallographic and mutational studies of seryl-tRNA synthetase from the archaeon Pyrococcus horikoshii., Itoh Y, Sekine SI, Kuroishi C, Terada T, Shirouzu M, Kuramitsu S, Yokoyama S, RNA Biol. 2008 Jul 28;5(3). PMID: 18818520

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