The Pab Rb x human RPA4 (Replication Protein A 30kD Subunit, Replication Protein A4, 30kD) antibody from United States Biological is a Rabbit Polyclonal antibody. This antibody recognizes Homo Sapiens, and Human antigen. The Pab Rb x human RPA4 (Replication Protein A 30kD Subunit, Replication Protein A4, 30kD) antibody has been shown to work in the following applications: Western Blot.