| 1WKT: reference: Ancestral beta gamma-crystallin precursor structure in a yeast killer toxin., Antuch W, Guntert P, Wuthrich K, Nat Struct Biol 1996 Aug;3(8):662-5. PMID: 8756320 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).