Ready-to-use ELISA kits are available for the detection of p202, an alias of the protein, tumor protein p53 binding protein 1. The official gene symbol is TP53BP1. The protein, with a mass of 213.6 kDa and length of 1972 residues, is reported to be nuclear. It may be known by other names, including: p202, TDRD30, tumor suppressor p53-binding protein 1, tumor protein 53-binding protein 1, p53-binding protein 1, and TP53-binding protein 1.