2F16:
reference: Crystal Structure of the Boronic Acid-Based Proteasome Inhibitor Bortezomib in Complex with the Yeast 20S Proteasome., Groll M, Berkers CR, Ploegh HL, Ovaa H, Structure. 2006 Mar;14(3):451-6. PMID: 16531229

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