1VCI:
reference: Crystal structure of the ATP-binding cassette of multisugar transporter from Pyrococcus horikoshii OT3., Ose T, Fujie T, Yao M, Watanabe N, Tanaka I, Proteins 2004 Nov 15;57(3):635-8. PMID: 15382245

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