2Z8J:
reference: Crystal structures of Escherichia coli gamma-glutamyltranspeptidase in complex with azaserine and acivicin: novel mechanistic implication for inhibition by glutamine antagonists., Wada K, Hiratake J, Irie M, Okada T, Yamada C, Kumagai H, Suzuki H, Fukuyama K, J Mol Biol. 2008 Jul 4;380(2):361-72. Epub 2008 May 12. PMID: 18555071

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