5YCQ:
reference: X-ray crystal structure of Escherichia coli HspQ, a protein involved in the retardation of replication initiation., Abe Y, Shioi S, Kita S, Nakata H, Maenaka K, Kohda D, Katayama T, Ueda T, FEBS Lett. 2017 Nov;591(22):3805-3816. doi: 10.1002/1873-3468.12892. Epub 2017, Nov 12. PMID: 29083032

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