2C9W:
reference: Crystal structure of the SOCS2-elongin C-elongin B complex defines a prototypical SOCS box ubiquitin ligase., Bullock AN, Debreczeni JE, Edwards AM, Sundstrom M, Knapp S, Proc Natl Acad Sci U S A. 2006 May 16;103(20):7637-42. Epub 2006 May 4. PMID: 16675548

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