Table 10.

The nucleotides distribution in the generated sequences for all datasets

	Paired				Unpaired					Total
	AU	GC	GU		A	C	G	U		A	C	G	U
Natural	0.39	0.49	0.12		0.38	0.19	0.17	0.26		0.27	0.22	0.25	0.26
ERD	0.31	0.62	0.07		0.41	0.19	0.17	0.23		0.26	0.26	0.27	0.21
INFO-RNA	0.05	0.90	0.05		0.37	0.20	0.28	0.15		0.15	0.36	0.40	0.09
MODENA	0.13	0.83	0.04		0.83	0.07	0.05	0.06		0.37	0.28	0.28	0.07
NUPACK	0.28	0.72	0.01		0.39	0.22	0.14	0.24		0.24	0.31	0.27	0.18
RNAifold	0.07	0.92	0.02		0.90	0.03	0.04	0.03		0.39	0.27	0.29	0.04

The distribution of nucleotides in paired and unpaired regions are calculated for all existing approaches. Also, the total distribution of nucleotides is presented. The closest values to the natural ones are indicated in bold face.