| 2O20: reference: Structure of the transcription regulator CcpA from Lactococcus lactis., Loll B, Kowalczyk M, Alings C, Chieduch A, Bardowski J, Saenger W, Biesiadka J, Acta Crystallogr D Biol Crystallogr. 2007 Apr;63(Pt 4):431-6. Epub 2007, Mar 16. PMID: 17372346 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).