title: O6-methylguanine specifically induces AT----GC transition mutations.
mesh_terms: D044503:5-Methylcytosine; D000225:Adenine / Q000031:analogs & derivatives / Q000494:pharmacology; D000478:Alkylation; D001482:Base Composition / Q000187:drug effects; D003596:Cytosine / Q000031:analogs & derivatives / Q000494:pharmacology; D004249:DNA Damage; D004269:DNA, Bacterial / Q000187:drug effects; D004926:Escherichia coli / Q000187:drug effects* / Q000235:genetics; D006147:Guanine / Q000031:analogs & derivatives* / Q000494:pharmacology; D019271:Hypoxanthine; D007042:Hypoxanthines / Q000494:pharmacology; D009154:Mutation
chemical_list: D044503:5-Methylcytosine; D000225:Adenine; D003596:Cytosine; D004269:DNA, Bacterial; D006147:Guanine; D019271:Hypoxanthine; D007042:Hypoxanthines; C044502:3-methylguanine; C025946:3-methyladenine; C008449:O-(6)-methylguanine; C000730567:6-methyladenine