6AWP:
reference: Structural basis for recognition of diverse antidepressants by the human serotonin transporter., Coleman JA, Gouaux E, Nat Struct Mol Biol. 2018 Feb;25(2):170-175. doi: 10.1038/s41594-018-0026-8. Epub, 2018 Jan 29. PMID: 29379174

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