4C4Q:
reference: Hepatitis-C-virus-like internal ribosome entry sites displace eIF3 to gain access to the 40S subunit., Hashem Y, des Georges A, Dhote V, Langlois R, Liao HY, Grassucci RA, Pestova TV, Hellen CU, Frank J, Nature. 2013 Nov 3. doi: 10.1038/nature12658. PMID: 24185006

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