1ZP7:
reference: The Structure of Bacillus subtilis RecU Holliday Junction Resolvase and Its Role in Substrate Selection and Sequence-Specific Cleavage., McGregor N, Ayora S, Sedelnikova S, Carrasco B, Alonso JC, Thaw P, Rafferty J, Structure (Camb) 2005 Sep;13(9):1341-51. PMID: 16154091

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