2KJC:
reference: Solution structure of a paradigm ArsR family zinc sensor in the DNA-bound state., Arunkumar AI, Campanello GC, Giedroc DP, Proc Natl Acad Sci U S A. 2009 Oct 27;106(43):18177-82. Epub 2009 Oct 12. PMID: 19822742

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