3GGZ:
reference: Structural basis of Ist1 function and Ist1-Did2 interaction in the multivesicular body pathway and cytokinesis., Xiao J, Chen XW, Davies BA, Saltiel AR, Katzmann DJ, Xu Z, Mol Biol Cell. 2009 Aug;20(15):3514-24. Epub 2009 May 28. PMID: 19477918

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