1ZJL:
reference: Structural studies of an engineered zinc biosensor reveal an unanticipated mode of zinc binding., Telmer PG, Shilton BH, J Mol Biol 2005 Dec 9;354(4):829-40. Epub 2005 Oct 28. PMID: 16288781

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