The Phospho-Stat1 (Tyr701) (D4A7) Rabbit mAb (BSA and Azide Free) Antibody from Cell Signaling Technology is a Rabbit Monoclonal antibody to STAT1. This antibody recognizes Homo Sapiens, Human, Mouse, and Rat antigen. The Phospho-Stat1 (Tyr701) (D4A7) Rabbit mAb (BSA and Azide Free) Antibody has been shown to work in the following applications: EIA, Immunoassay, ELISA, Flow Cytometry, Immunocytochemistry, Immunofluorescence, and Western Blot.