Table 2. Predicted transition ability among nucleotide between DENV-1, DENV-2, DENV-3 and DENV-4 sequences, respectively

	DENV-1	DENV-2	DENV-3	DENV-4
A to T	1.68	1.65	0.97	1.88
A to C	1.46	1.61	0.92	1.04
A to G	11.82	13.01	11.10	14.08
T to A	2.49	2.59	1.45	2.65
T to C	30.38	26.88	32.12	28.16
T to G	0.96	1.99	1.16	0.6
C to A	2.27	2.59	1.45	1.56
C to T	31.99	27.54	33.87	29.87
C to G	0.83	1.99	1.16	1.64
G to A	14.65	16.87	13.92	16.72
G to T	0.81	1.65	0.97	0.50
G to C	0.67	16.1	0.92	1.30