Table 5 Binding strength obtained using the stretching mode for dG/dC base pair of different lengths

From: Determination of Base Binding Strength and Base Stacking Interaction of DNA Duplex Using Atomic Force Microscope

Length of nucleotide chain(bp)

Hydrogen bond force (nN) Cluster centers distribution (%)

10

0.2231 (40.39)

0.4389 (28.24)

0.6661 (9.81)

0.8845 (10.98)

1.1034 (7.45)

1.3522 (3.14)

14

0.2846 (40.86)

0.5985 (29.72)

0.9286 (10.85)

1.2671 (9.79)

1.5913 (5.52)

2.3054 (3.36)

20

0.4458 (39.12)

0.8550 (28.38)

1.3266 (16.48)

1.8101 (9.37)

2.2733 (3.42)

2.9147 (3.26)