4QMF:
reference: Interaction between ribosome assembly factors Krr1 and Faf1 is essential for formation of small ribosomal subunit in yeast., Zheng S, Lan P, Liu X, Ye K, J Biol Chem. 2014 Aug 15;289(33):22692-703. doi: 10.1074/jbc.M114.584490. Epub, 2014 Jul 2. PMID: 24990943

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