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