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. 2005 Mar 23;33(6):1790–1803. doi: 10.1093/nar/gki319

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© The Author 2005. Published by Oxford University Press. All rights reserved

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Effect of spermine on uranyl cleavage of pT/A_1-8. (A) Densitometric scans of an autoradiograph in the absence and presence of 1 and 32 mM spermine. The DNA sequence is annotated on the scan. (B) Differential cleavage plot comparing the susceptibility of plasmid pT/A_1-8 DNA fragments to uranyl cleavage in the absence and presence of 1 mM spermine. Regions with AT-rich sequences are indicated and underlined.