2ZCA:
reference: X-ray crystal structure of a CRISPR-associated protein, Cse2, from Thermus thermophilus HB8., Agari Y, Yokoyama S, Kuramitsu S, Shinkai A, Proteins. 2008 Sep 17. PMID: 18798563

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