title: Old proteins harbour unexpected functions.
authors: Rosario
authors: R
authors: Perona
mesh_terms: D000818:Animals; D004249:DNA Damage; D004260:DNA Repair; D006801:Humans; D011506:Proteins / Q000378:metabolism*; D019098:Telomerase / Q000378:metabolism
chemical_list: D011506:Proteins; D019098:Telomerase