3SK9:
reference: Structural and biochemical analysis of the nuclease domain of the clustered regularly interspaced short palindromic repeat (CRISPR) associated protein 3(CAS3)., Mulepati S, Bailey S, J Biol Chem. 2011 Jul 20. PMID: 21775431

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