The Pab Rb x human XRCC4 (X-ray Repair Cross-complementing Protein 4, DNA Repair Protein XRCC4) (APC) antibody from United States Biological is a Rabbit Polyclonal antibody to XRCC4. This antibody recognizes Homo Sapiens, Human, and Mouse antigen. The Pab Rb x human XRCC4 (X-ray Repair Cross-complementing Protein 4, DNA Repair Protein XRCC4) (APC) antibody has been shown to work in the following applications: Western Blot.