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Analytical Sciences
Vol. 22 (2006) No. 2 P 201-203



Rapid Communications

The recognition ability of pteridine derivatives for nucleobases opposite an abasic (AP) site in an oligodeoxynucleotide (ODN) duplex is enhanced by using a propylene residue (Spacer-C3) as an AP site. The recognition ability is further enhanced both by attaching methyl groups to a fluorescent ligand and by measuring the fluorescence response at 5°C; 6.2 × 106 M-1 of the binding constant is attained between 2-amino-6,7-dimethyl-4-hydroxypteridine and guanine opposite the AP site in water.

Copyright © 2006 by The Japan Society for Analytical Chemistry

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