| http://www.w3.org/ns/prov#value | - One set of useful chain-terminating nucleotides for the methods of the present invention is R=cage/label, R???=(H or OH), and R???=H. In a preferred embodiment, the modified nucleotide is a label (e.g., a fluorophore) linked to the sugar moiety by a 3???-O-(-2-Nitrobenzyl) group.
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