6X16:
reference: Large domain movements through the lipid bilayer mediate substrate release and inhibition of glutamate transporters., Wang X, Boudker O, Elife. 2020 Nov 6;9. pii: 58417. doi: 10.7554/eLife.58417. PMID: 33155546

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