DNA damage response, signal transduction by p53 class mediator https://github.com/geneontology/go-ontology/issues/26003 GO:0006976 p53-mediated DNA damage response DNA damage response, activation of p53 A cascade of processes induced by the cell cycle regulator phosphoprotein p53, or an equivalent protein, in response to the detection of DNA damage. p53 signaling pathway GO:0030330 biological_process TP53 signaling pathway signal transduction in response to DNA damage signal transduction by p53 class mediator