4C53:
reference: Crystal structure of Venezuelan hemorrhagic fever virus fusion glycoprotein reveals a class 1 post-fusion architecture with extensive glycosylation., Parsy ML, Harlos K, Huiskonen JT, Bowden TA, J Virol. 2013 Sep 18. PMID: 24049182

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