1SAP:
reference: Solution structure of the DNA-binding protein Sac7d from the hyperthermophile Sulfolobus acidocaldarius., Edmondson SP, Qiu L, Shriver JW, Biochemistry 1995 Oct 17;34(41):13289-304. PMID: 7577913

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