title: Specific excision of ethylated purines from DNA of Escherichia coli treated with N-ethyl-N-nitrosourea.
mesh_terms: D000225:Adenine / Q000031:analogs & derivatives; D004261:DNA Replication / Q000187:drug effects*; D004269:DNA, Bacterial / Q000096:biosynthesis*; D004926:Escherichia coli / Q000187:drug effects / Q000378:metabolism*; D000431:Ethanol; D005038:Ethylnitrosourea / Q000494:pharmacology*; D006147:Guanine / Q000031:analogs & derivatives; D008769:Methylnitronitrosoguanidine / Q000494:pharmacology; D008770:Methylnitrosourea / Q000494:pharmacology; D009607:Nitrosourea Compounds / Q000494:pharmacology*
chemical_list: D004269:DNA, Bacterial; D009607:Nitrosourea Compounds; D008769:Methylnitronitrosoguanidine; D000431:Ethanol; D006147:Guanine; D008770:Methylnitrosourea; D000225:Adenine; D005038:Ethylnitrosourea