The BST2 (E4N3W) XP ® Rabbit mAb (Alexa Fluor ® 647 Conjugate) Antibody from Cell Signaling Technology is a Rabbit Monoclonal antibody to BST2. This antibody recognizes Homo Sapiens, and Human antigen. The BST2 (E4N3W) XP ® Rabbit mAb (Alexa Fluor ® 647 Conjugate) Antibody has been shown to work in the following applications: Flow Cytometry.