title: A common mechanism for repair of O6-methylguanine and O6-ethylguanine in DNA.
mesh_terms: D000477:Alkylating Agents / Q000494:pharmacology*; D004260:DNA Repair; D004926:Escherichia coli / Q000187:drug effects / Q000235:genetics*; D006147:Guanine / Q000031:analogs & derivatives* / Q000378:metabolism; D009153:Mutagens / Q000494:pharmacology*; D009154:Mutation
chemical_list: D000477:Alkylating Agents; D009153:Mutagens; C007673:6-ethylguanine; D006147:Guanine; C008449:O-(6)-methylguanine