G Biosciences' Immunotag™ p300 (phospho Ser89) Polyclonal Antibody is a Rabbit Polyclonal antibody. This antibody has been shown to work in applications such as: ELISA, Immunohistochemistry, and Immunohistochemistry - fixed. The Immunotag™ p300 (phospho Ser89) Polyclonal Antibody was generated using E1A binding protein p300, and EP300 as the antigen and it reacts with Human, Mouse, and Rat.