Title : Stereoselective release of polycyclic aromatic hydrocarbon-deoxyadenosine adducts from DNA by the 32P postlabeling and deoxyribonuclease I/snake venom phosphodiesterase digestion methods.

Pub. Date : 1990 Nov-Dec

PMID : 1966469






1 Functional Relationships(s)
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1 The two digestion procedures exhibit systematic and mostly opposite stereoselectivity in the pattern of which dA adducts are resistant to digestion, which suggest that these adducts may have preferred orientations within modified DNA that are determined by whether they have the R or S configuration at C-1, the point of attachment between the exocyclic amino group of dA and the hydrocarbon; this in turn is dictated by the configuration about the precursor benzylic epoxide carbon and the cis versus trans nature of epoxide opening during adduct formation. 2'-deoxyadenosine heterogeneous nuclear ribonucleoprotein C Homo sapiens