The PD-L1 (D5V3B) Rabbit mAb (Alexa Fluor ® 488 Conjugate) Antibody from Cell Signaling Technology is a Rabbit Monoclonal antibody to CD274. This antibody recognizes Mouse antigen. The PD-L1 (D5V3B) Rabbit mAb (Alexa Fluor ® 488 Conjugate) Antibody has been shown to work in the following applications: Immunohistochemistry, and Immunohistochemistry - fixed.