6FE5:
reference: Structural and computational basis for potent inhibition of glutamate carboxypeptidase II by carbamate-based inhibitors., Barinka C, Novakova Z, Hin N, Bim D, Ferraris DV, Duvall B, Kabarriti G, Tsukamoto R, Budesinsky M, Motlova L, Rojas C, Slusher BS, Rokob TA, Rulisek L, Tsukamoto T, Bioorg Med Chem. 2019 Jan 15;27(2):255-264. doi: 10.1016/j.bmc.2018.11.022. Epub , 2018 Nov 14. PMID: 30552009

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