Miltenyi Biotec's CD4 (Domain 1) Antibody, anti-rat, PE, REAfinity™ is a Human monoclonal antibody. The CD4 (Domain 1) Antibody, anti-rat, PE, REAfinity™ was generated using CD4 as the antigen. It reacts with Rat. This antibody has been shown to work in applications such as: Flow Cytometry.