Table 1. Possible fiber structures for different NRL.

Start	Fiber Helicity	DNA Path Helicity	Diameter 35,4 nm					45,4 nm
			177	187	197	207	217	217	227	237
1	R	N/A*
	L	N/A
2	R	N/A				X
	L	N/A								X
3	R	r			X
		l			X
	L	r
		l							X
4	R	r
		l		X				X
	L	r
		l
5	R	r		X				X
		l	X	X
	L	r
		l

Left entries: all different fiber structures as described in Fig. 2. Top entries, different repeat length and different diameters of the fiber, taken from [7]. When we found that a structure is compatible with a NRL, we placed an X in the corresponding cell.

^*Not Applicable