Cell Signaling Technology's PD-1 (Intracellular Domain) (D4W2J) XP ® Rabbit mAb (PE Conjugate) is a Rabbit monoclonal antibody. The PD-1 (Intracellular Domain) (D4W2J) XP ® Rabbit mAb (PE Conjugate) Antibody was generated using PDCD1 as the antigen. It reacts with Homo Sapiens, and Human. This antibody has been shown to work in applications such as: Flow Cytometry.