1EQ7:
reference: Core structure of the outer membrane lipoprotein from Escherichia coli at 1.9 A resolution., Shu W, Liu J, Ji H, Lu M, J Mol Biol 2000 Jun 16;299(4):1101-12. PMID: 10843861

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