title: Inhibitory effect of irradiation of DNA with near ultraviolet light in the presence of 8-methoxypsoralen on cleavage by restriction endonucleases.
mesh_terms: D004262:DNA Restriction Enzymes / Q000378:metabolism*; D004269:DNA, Bacterial / Q000528:radiation effects*; D004926:Escherichia coli / Q000235:genetics*; D008730:Methoxsalen / Q000494:pharmacology*; D014466:Ultraviolet Rays
chemical_list: D004269:DNA, Bacterial; D004262:DNA Restriction Enzymes; D008730:Methoxsalen