3PIV:
reference: Crystal structure of zebrafish Interferons 1 and 2 reveals a conservation of type I Interferon structure in vertebrates., Hamming OJ, Lutfalla G, Levraud JP, Hartmann R, J Virol. 2011 Jun 8. PMID: 21653665

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