3V6M:
reference: Inhibitory mechanism of caspase-6 phosphorylation revealed by crystal structures, molecular dynamics simulations, and biochemical assays., Cao Q, Wang XJ, Liu CW, Liu DF, Li LF, Gao YQ, Su XD, J Biol Chem. 2012 May 4;287(19):15371-9. Epub 2012 Mar 20. PMID: 22433863

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