5Y88:
reference: Structure of an Intron Lariat Spliceosome from Saccharomyces cerevisiae., Wan R, Yan C, Bai R, Lei J, Shi Y, Cell. 2017 Sep 21;171(1):120-132.e12. doi: 10.1016/j.cell.2017.08.029. Epub 2017 , Sep 14. PMID: 28919079

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