53BP1 (P53-binding protein 1) plays a critical role in tumor suppression and is a putative substrate of ATM kinase. Upon DNA damage, 53BP1 is phosphorylated and localizes to the presumptive sites of damage, specifically, double-strand breaks. 53BP1 may have a role in checkpoint signaling during mitosis, enhances TP53-mediated transcriptional activation, and participates in DNA repair by maintaining genomic stability.
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Protein Aliases: 53BP1; FLJ41424; MGC138366; murine p53-binding protein; p53-binding protein 1; TP53-binding protein 1; transformation related protein 53 binding protein 1; transformation related protein 53 binding-protein 1; tumor protein 53-binding protein, 1; tumor protein p53-binding protein, 1; tumor suppressor p53-binding protein 1
Gene Aliases: 53BP1; m53BP1; p202; p53BP1; TDRD30; TP53; TP53BP1; Trp53bp1
Molecular Function: DNA metabolism protein