5DKI:
reference: Targeted Delivery of Proteasome Inhibitors to Somatostatin-Receptor-Expressing Cancer Cells by Octreotide Conjugation., Beck P, Cui H, Hegemann JD, Marahiel MA, Kruger A, Groll M, ChemMedChem. 2015 Dec;10(12):1969-73. doi: 10.1002/cmdc.201500449. Epub 2015 Oct , 16. PMID: 26471124

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