2LME:
reference: Membrane-protein structure determination by solid-state NMR spectroscopy of microcrystals., Shahid SA, Bardiaux B, Franks WT, Krabben L, Habeck M, van Rossum BJ, Linke D, Nat Methods. 2012 Dec 7;9(12):1212-7. doi: 10.1038/nmeth.2248. Epub 2012 Nov 11. PMID: 23142870

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