3K9B:
reference: Human Carboxylesterase 1 Stereoselectively Binds the Nerve Agent Cyclosarin and Spontaneously Hydrolyzes the Nerve Agent Sarin., Hemmert AC, Otto TC, Weirdl M, Edwards CC, Fleming CD, Macdonald M, Cashman JR, Potter PM, Cerasoli DM, Redinbo M, Mol Pharmacol. 2010 Jan 6. PMID: 20051531

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