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. Author manuscript; available in PMC: 2008 Oct 1.
Published in final edited form as: J Am Soc Mass Spectrom. 2007 Jul 17;18(10):1760–1773. doi: 10.1016/j.jasms.2007.07.008

Table 1.

Quadruplex sequences used in this study.

Quadruplex Sequence Type of Quadruplex Number of Tetrads Molecular Weight (Da)
G1 [d(TG4T)]4 parallel 4-stranded24 4 7453.2
G2 [d(T2G3T)]4 parallel or anti-parallel 4-stranded 3 7353.0
G3 [d(G4T4G4)]2 antiparallel 2-stranded32 4 7577.0
G4 [d(T2AG3)2]2 parallel or antiparallel 2-stranded24 3 7513.0
G5 d(T2AG3)4 anti-parallel intramolecular24 3 7575.0
G6 d(T2G4)4 anti-parallel intramolecular 4 7639.0
G7 d(G2T4)4 anti-parallel intramolecular 2 7438.9