title: Mammalian DNA-repair endonuclease acts only on supercoiled DNA.
mesh_terms: D000818:Animals; D010584:Bacteriophage phi X 174; D004260:DNA Repair; D004270:DNA, Circular / Q000378:metabolism; D004278:DNA, Superhelical / Q000378:metabolism*; D004279:DNA, Viral / Q000528:radiation effects; D043603:DNA-(Apurinic or Apyrimidinic Site) Lyase; D043223:Deoxyribonuclease IV (Phage T4-Induced); D003851:Deoxyribonucleases / Q000378:metabolism*; D004720:Endonucleases / Q000378:metabolism*; D051379:Mice; D010954:Plasmacytoma / Q000201:enzymology; D013379:Substrate Specificity; D014466:Ultraviolet Rays
chemical_list: D004270:DNA, Circular; D004278:DNA, Superhelical; D004279:DNA, Viral; D003851:Deoxyribonucleases; D004720:Endonucleases; D043223:Deoxyribonuclease IV (Phage T4-Induced); D043603:DNA-(Apurinic or Apyrimidinic Site) Lyase