| 1JQU: reference: A test of proposed rules for helix capping: implications for protein design., Sagermann M, Martensson LG, Baase WA, Matthews BW, Protein Sci. 2002 Mar;11(3):516-21. PMID: 11847274 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).