Modified nucleosides and nucleotides and uses thereof
First Claim
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1. A modified nucleotide or nucleoside comprising a guanine base or a 7-deazaguanine base attached to a fluorophore through a cleavable linking group, wherein said linking group comprises a cleavable functionality and a spacer group of formula —
- ((CH2)2O)n— and
n is an integer between 2 and 50.
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Abstract
The invention is directed to modified guanine-containing nucleosides and nucleotides and uses thereof. More specifically, the invention relates to modified fluorescently labelled guanine-containing nucleosides and nucleotides which exhibit enhanced fluorophore intensity by virtue of reduced quenching effects.
104 Citations
13 Claims
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1. A modified nucleotide or nucleoside comprising a guanine base or a 7-deazaguanine base attached to a fluorophore through a cleavable linking group, wherein said linking group comprises a cleavable functionality and a spacer group of formula —
- ((CH2)2O)n— and
n is an integer between 2 and 50. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
- ((CH2)2O)n— and
Specification