Anti-Histone H3 antibodies can be used in a range of applications, including western blot, immunocytochemistry, immunohistochemistry, ELISA, and ChIP for the measurement of the protein complex histone H3, a component of the eukaryotic nucleosome. Human histone H3 includes multiple variants, H3.1, H3.2, and H3.3, each comprised of multiple genes.