3FP4:
reference: Molecular chaperone Hsp70/Hsp90 prepares the mitochondrial outer membrane translocon receptor Tom71 for preprotein loading., Li J, Qian X, Hu J, Sha B, J Biol Chem. 2009 Aug 28;284(35):23852-9. Epub 2009 Jul 6. PMID: 19581297

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