Histone H2A

One of the five main histone proteins

Histone H2A is one of the five main histone proteins involved in the structure of chromatin in eukaryotic cells.

The other histone proteins are: H1, H2B, H3 and H4.

The crystal structure of the nucleosome core particle consisting of H2A, H2B, H3 and H4 core histones, and DNA. The view is from the top through the superhelical axis.

Structure of the H2AFJ protein