| 1NDG: reference: X-ray snapshots of the maturation of an antibody response to a protein antigen., Li Y, Li H, Yang F, Smith-Gill SJ, Mariuzza RA, Nat Struct Biol 2003 Jun;10(6):482-8. PMID: 12740607 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).