1K8G:
reference: Crystal structure of the N-terminal domain of Oxytricha nova telomere end-binding protein alpha subunit both uncomplexed and complexed with telomeric ssDNA., Classen S, Ruggles JA, Schultz SC, J Mol Biol 2001 Dec 14;314(5):1113-25. PMID: 11743727

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