The Synapsin-1 (D12G5) XP ® Rabbit mAb (BSA and Azide Free) Antibody from Cell Signaling Technology is a Rabbit Monoclonal antibody to SYN1, and Synapsin I. This antibody recognizes Homo Sapiens, Human, Mouse, and Rat antigen. The Synapsin-1 (D12G5) XP ® Rabbit mAb (BSA and Azide Free) Antibody has been shown to work in the following applications: Immunofluorescence, Immunohistochemistry, Immunohistochemistry - fixed, and Western Blot.