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. Author manuscript; available in PMC: 2009 Sep 14.
Published in final edited form as: Chem Res Toxicol. 2007 Feb 21;20(3):445–454. doi: 10.1021/tx060229d

Table 1.

IQ- and AF-modified Oligonucleotides Used in This Study and Their Mass Spectral Characterization

m/z (Da)
oligonucleotide a. G = C8-IQa b. G = C8-AFb
1 5′-GGCA-GGT-GGT–3′ 3647.76
2 5′-CTC-G1GCGCC-ATC–3′ 3776.07 3759.33
3 5′-CTC-GG2CGCC-ATC–3′ 3777.33 3758.98
4 5′-CTC-GGCG3CC-ATC–3′ 3776.38 3760.35
a

The calculated masses for oligonucleotides 1a and 2a–4a (M–H) are 3647.22 and 3776.58 Da, respectively.

b

The calculated mass for oligo-nucleotides 2b–4b is 3759.58 Da.