1PXE:
reference: Solution Structure of a CCHHC Domain of Neural Zinc Finger Factor-1 and Its Implications for DNA Binding., Berkovits-Cymet HJ, Amann BT, Berg JM, Biochemistry 2004 Feb 3;43(4):898-903. PMID: 14744132

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