1GPM: Escherichia Coli Gmp Synthetase Complexed With Amp And Pyrop
reference: The crystal structure of GMP synthetase reveals a novel catalytic triad and is a structural paradigm for two enzyme families., Tesmer JJ, Klem TJ, Deras ML, Davisson VJ, Smith JL, Nat Struct Biol 1996 Jan;3(1):74-86. PMID: 8548458

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