United States Biological's Pab Rb x human POLR3D (RPC4) antibody is a Rabbit Polyclonal antibody. This antibody has been shown to work in applications such as: Western Blot. The Pab Rb x human POLR3D (RPC4) antibody was generated using POLR3D as the antigen and it reacts with Homo Sapiens, and Human.