The CYR61 (D4H5D) XP ® Rabbit mAb (BSA and Azide Free) Antibody from Cell Signaling Technology is a Rabbit Monoclonal antibody to CCN1, and cellular communication network factor 1. This antibody recognizes Homo Sapiens, and Human antigen. The CYR61 (D4H5D) XP ® Rabbit mAb (BSA and Azide Free) Antibody has been validated for the following applications: Flow Cytometry, Immunocytochemistry, Immunofluorescence, Immunohistochemistry, Immunohistochemistry - frozen, and Western Blot.