United States Biological's Pab Rb x human C4BPB (C4b-binding Protein beta Chain) (FITC) antibody is a Rabbit Polyclonal antibody. This antibody has been shown to work in applications such as: Western Blot. The Pab Rb x human C4BPB (C4b-binding Protein beta Chain) (FITC) antibody was generated using C4BPB as the antigen and it reacts with Homo Sapiens, and Human.