| 3IE5: reference: Crystal structure of Hyp-1, a St. John's wort protein implicated in the biosynthesis of hypericin., Michalska K, Fernandes H, Sikorski M, Jaskolski M, J Struct Biol. 2009 Oct 21. PMID: 19853038 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).