1SLQ:
reference: Structural rearrangements in the membrane penetration protein of a non-enveloped virus., Dormitzer PR, Nason EB, Prasad BV, Harrison SC, Nature. 2004 Aug 26;430(7003):1053-8. PMID: 15329727

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