| 2GOO: reference: Structure of the ternary signaling complex of a TGF-beta superfamily member., Allendorph GP, Vale WW, Choe S, Proc Natl Acad Sci U S A. 2006 May 16;103(20):7643-8. Epub 2006 May 3. PMID: 16672363 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).