6GCI:
reference: The Molecular Mechanism of Transport by the Mitochondrial ADP/ATP Carrier., Ruprecht JJ, King MS, Zogg T, Aleksandrova AA, Pardon E, Crichton PG, Steyaert J, Kunji ERS, Cell. 2019 Jan 2. pii: S0092-8674(18)31517-4. doi: 10.1016/j.cell.2018.11.025. PMID: 30611538

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