2NS8:
reference: How an agonist peptide mimics the antibiotic tetracycline to induce Tet-repressor., Luckner SR, Klotzsche M, Berens C, Hillen W, Muller YA, J Mol Biol. 2007 May 4;368(3):780-90. Epub 2007 Feb 22. PMID: 17374541

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