Thermo Fisher Scientific's Histone H3.3 Antibody is a Rabbit Polyclonal antibody. This antibody has been shown to work in applications such as: Immunohistochemistry. The Histone H3.3 Antibody was generated using H3-3B, H3.3 histone A, and H3.3 histone B as the antigen and it reacts with Homo Sapiens, and Human.