The Phospho Histone H4 (Ser1) Polyclonal Antibody from EpiGentek is a Rabbit Polyclonal antibody to HIST4H4, and histone cluster 4 H4. This antibody recognizes Human, Mouse, and Rat antigen. The Phospho Histone H4 (Ser1) Polyclonal Antibody has been validated for the following applications: Western Blot.