Target strand displacement
by ss-pso and ss-Met ODNs. (A) 5′,7-Diethylaminocoumarin-labeled
A* or B* in the AB intermolecular target. ss-pso,
30 µM; ds AB, 140 µM.
Lane 1, A*B duplex; lane 2, AB* duplex; lane 3,
ss-pso·B* duplex with excess complementary B*;
lane 4, ss-pso·A*B triplex; lane 5, ss-pso·AB* triplex;
lane 6, ss-pso. (B and C) Titration
of ss-3′Met with increasing concentrations
of AB intermolecular target. (B) Methidium fluorescence. (C) Fluorescence
of multi-strand species after staining with SybrGold. The concentration
of ss-3′Met was 28 µM
in all lanes. ds target concentrations are given as a factor of
28 µM (oligonucleotides) for each lane.
Target lanes: lane 1, 0; lane 2, 0.25; lane 3, 0.5; lane 4, 0.75;
lane 5, 1; lane 6, 2; lane 7, 3; lane 8, 4; lane 9, 5; lane 10,
6.