1YZ8:
reference: Solution structure of the K50 class homeodomain PITX2 bound to DNA and implications for mutations that cause Rieger syndrome., Chaney BA, Clark-Baldwin K, Dave V, Ma J, Rance M, Biochemistry 2005 May 24;44(20):7497-511. PMID: 15895993

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