| 2NWC: reference: Purification, crystallization and structure determination of native GroEL from Escherichia coli lacking bound potassium ions., Kiser PD, Lodowski DT, Palczewski K, Acta Crystallograph Sect F Struct Biol Cryst Commun. 2007 Jun 1;63(Pt, 6):457-61. Epub 2007 May 5. PMID: 17554162 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).