The VEGF Receptor 2 (55B11) Rabbit mAb (BSA and Azide Free) Antibody from Cell Signaling Technology is a Rabbit Monoclonal antibody to KDR. This antibody recognizes Homo Sapiens, Human, and Mouse antigen. The VEGF Receptor 2 (55B11) Rabbit mAb (BSA and Azide Free) Antibody has been shown to work in the following applications: EIA, Immunoassay, ELISA, Immunocytochemistry, Immunofluorescence, Immunohistochemistry, Immunohistochemistry - fixed, and Western Blot.