| 3D7J: reference: Structure of a 6-pyruvoyltetrahydropterin synthase homolog from Streptomyces coelicolor., Spoonamore JE, Roberts SA, Heroux A, Bandarian V, Acta Crystallogr Sect F Struct Biol Cryst Commun. 2008 Oct 1;64(Pt 10):875-9., Epub 2008 Sep 30. PMID: 18931427 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).