2AYU:
reference: The structure of nucleosome assembly protein 1., Park YJ, Luger K, Proc Natl Acad Sci U S A. 2006 Jan 31;103(5):1248-53. Epub 2006 Jan 23. PMID: 16432217

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