2DXN:
reference: The structure and function of a novel glycerophosphodiesterase from Enterobacter aerogenes., Jackson CJ, Carr PD, Liu JW, Watt SJ, Beck JL, Ollis DL, J Mol Biol. 2007 Apr 6;367(4):1047-62. Epub 2007 Jan 20. PMID: 17306828

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