Mapping the binding site of aflatoxin B1 in DNA: systematic analysis of the reactivity of aflatoxin B1 with guanines in different DNA sequences

Biochemistry, Volume 27, Issue 1, 1988, Pages 472-481.

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The mutagenic and carcinogenic chemical aflatoxin B1 (AFB1) reacts almost exclusively at the N(7)-position of guanine following activation to its reactive form, the 8,9-epoxide (AFB1 oxide). In general N(7)-guanine adducts yield DNA strand breaks when heated in base, a property that serves as the basis for the Maxam-Gilbert DNA sequencing...More



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