Histone
From Proteopedia
Histones (H) are the major protein components of chromatin which help to pack the DNA in the nucleosomes. H2A, H2B, H3 and H4 are core histones while H1 and H5 are linker histones.
3D Structures of histone
Proteopedia Page Contributors and Editors (what is this?)
Ann Taylor, Michal Harel, Alexander Berchansky, Karsten Theis