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Table 3 Topology distribution of model G-quadruplexes.

From: Molecular models for intrastrand DNA G-quadruplexes

topology

counts

-p-p-p

1764

+l+p+p

698

-l-l-p

610

-p-p-l

285

+l+l+l

249

-pd+p

239

+l+p+l

155

-p-l-l

145

d+pd

122

+ld-p

78

-pd+l

36

-l-l-l

29

-ld+l

5

+ld-l

3

total number of topologies

total number of models

14

4418

  1. The distribution of topologies (independent of glycosidic bond conformation and loop lengths) of all 4418 models is reported. The notation here follows Webba da Silva [56]. p, l and d stand for propeller-like, lateral or diagonal loop. Theand + signs refer to anti-clockwise or clockwise rotation of the loop around the G-quadruplex stem, respectively, when the first strand is progressing towards the viewer (see Figure 1).