Cell Signaling Technology's Ubiquityl-Histone H2A (Lys119) (D27C4) XP ® Rabbit mAb (BSA and Azide Free) is a Rabbit monoclonal antibody. The Ubiquityl-Histone H2A (Lys119) (D27C4) XP ® Rabbit mAb (BSA and Azide Free) Antibody was generated using H2A clustered histone 1, and H2AC1 as the antigen. It reacts with Homo Sapiens, Human, Mouse, Rat, and Non-Human Primate. This antibody has been shown to work in applications such as: Flow Cytometry, Immunocytochemistry, Immunofluorescence, and Western Blot.