4EXW:
reference: The structure of DdrB from Deinococcus: a new fold for single-stranded DNA binding proteins., Sugiman-Marangos S, Junop MS, Nucleic Acids Res. 2010 Jun;38(10):3432-40. Epub 2010 Feb 2. PMID: 20129942

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