4PSN:
reference: Entrapment of DNA in an intersubunit tunnel system of a single-stranded DNA-binding protein., Ghalei H, Moeller HV, Eppers D, Sohmen D, Wilson DN, Loll B, Wahl MC, Nucleic Acids Res. 2014 Apr 17. PMID: 24744237

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