Features of “All LNA” Duplexes Showing a New Type of Nucleic Acid Geometry

Table 3

Overall helical parameters for natural (RNA and DNA) and modified nucleic acids (LNA, GNA, and PNA).

	Base pairs/helical turn	Twist (°)	Rise (Å)	P-P distance (Å)	Pitch (Å)
RNA	11	32	2.6	6.0	30
DNA	10	36	3.4	7.0	34
LNA	14	26	2.8	5.6	39
GNA	16	22.9	3.8	5.4	60
PNA	18	19	3.2	5.4	58