Cell Signaling Technology's PSD95 (D74D3) XP ® Rabbit mAb (BSA and Azide Free) is a Rabbit monoclonal antibody. The PSD95 (D74D3) XP ® Rabbit mAb (BSA and Azide Free) Antibody was generated using DLG4 as the antigen. It reacts with Homo Sapiens, Human, Mouse, and Rat. This antibody has been shown to work in applications such as: Immunohistochemistry, Immunohistochemistry - fixed, and Western Blot.