1Y7Q:
reference: Mammalian SCAN domain dimer is a domain-swapped homolog of the HIV capsid C-terminal domain., Ivanov D, Stone JR, Maki JL, Collins T, Wagner G, Mol Cell 2005 Jan 7;17(1):137-43. PMID: 15629724

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