5BPG:
reference: Bidirectional Transformation of a Metamorphic Protein between the Water-Soluble and Transmembrane Native States., Tanaka K, Caaveiro JM, Tsumoto K, Biochemistry. 2015 Nov 24;54(46):6863-6. doi: 10.1021/acs.biochem.5b01112. Epub, 2015 Nov 11. PMID: 26544760

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