. "\"A cascade of processes induced by the cell cycle regulator phosphoprotein p53, or an equivalent protein, in response to the detection of DNA damage.\" [GOC:go_curators]" . . "DNA damage response, signal transduction by p53 class mediator" . . . "DNA damage response, activation of p53" . "p53 signaling pathway" . "TP53 signaling pathway" . "p53-mediated DNA damage response" .