title: Photodynamic inactivation of mammalian DNA-dependent RNA polymerase by hematoporphyrin and visible light.
mesh_terms: D000818:Animals; D012321:DNA-Directed RNA Polymerases / Q000037:antagonists & inhibitors*; D004789:Enzyme Activation; D005622:Friend murine leukemia virus / Q000378:metabolism; D006415:Hematoporphyrins / Q000494:pharmacology*; D008027:Light; D051379:Mice; D012318:RNA Polymerase I / Q000037:antagonists & inhibitors; D012319:RNA Polymerase II / Q000037:antagonists & inhibitors; D013154:Spleen / Q000201:enzymology; D013439:Sulfhydryl Reagents / Q000494:pharmacology
chemical_list: D006415:Hematoporphyrins; D013439:Sulfhydryl Reagents; D012319:RNA Polymerase II; D012321:DNA-Directed RNA Polymerases; D012318:RNA Polymerase I