Mutagen-nucleic acid intercalative binding: structure of a 9-aminoacridine: 5-iodocytidylyl(3'-5')guanosine crystalline complex.


9-Aminoacridine forms a crystalline complex with the dinucleoside monophosphate, 5-iodocytidylyl(3'-5')guanosine. We have solved the three-dimensional structure of this complex by x-ray crystallography and have observed two distinct intercalative binding modes by this drug to miniature Watson-Crick double helical structures. The first of these involves a… (More)


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