5T5K:
reference: Structure of histone-based chromatin in Archaea., Mattiroli F, Bhattacharyya S, Dyer PN, White AE, Sandman K, Burkhart BW, Byrne KR, Lee T, Ahn NG, Santangelo TJ, Reeve JN, Luger K, Science. 2017 Aug 11;357(6351):609-612. doi: 10.1126/science.aaj1849. PMID: 28798133

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