Fig. 2
From: Viral histones: pickpocket’s prize or primordial progenitor?
Marseillevirus nucleosome. A Divergent transcription of Hβ–Hα and Hδ–Hγ histone doublet genes. B Cryo-EM structure of Marseillevirus nucleosome made up of a tetramer of two Hβ–Hα and two Hδ–Hγ proteins. The regions linking the separate histone fold domains are marked in red. C Comparison of the Marseillevirus nucleosome and a human nucleosome. Reprinted from Ref. [34], used with permission