3VVD:
reference: Two ATP-Binding Cassette Transporters Involved in (S)-2-Aminoethyl-Cysteine Uptake in Thermus thermophilus., Kanemaru Y, Hasebe F, Tomita T, Kuzuyama T, Nishiyama M, J Bacteriol. 2013 Sep;195(17):3845-53. doi: 10.1128/JB.00202-13. Epub 2013 Jun, 21. PMID: 23794618

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