ProSci, Inc's FceR1 alpha Antibody [Mar-1], Rabbit IgG monoclonal antibody. The FceR1 alpha Antibody [Mar-1], Rabbit IgG was generated using FCER1A as the antigen. It reacts with Mouse. This antibody has been shown to work in applications such as: Precipitation, Removal, Flow Cytometry, Immunohistochemistry, and Immunoprecipitation.