2P5K:
reference: A high-resolution structure of the DNA-binding domain of AhrC, the arginine repressor/activator protein from Bacillus subtilis., Garnett JA, Baumberg S, Stockley PG, Phillips SE, Acta Crystallogr Sect F Struct Biol Cryst Commun. 2007 Nov 1;63(Pt, 11):914-7. Epub 2007 Oct 20. PMID: 18007039

This OCA Structure page
uses Jmol, developed by the Jmol Development Team (documentation).