. Author manuscript; available in PMC: 2009 Oct 2.

Published in final edited form as: Gene. 2007 Sep 20;404(1-2):117–125. doi: 10.1016/j.gene.2007.09.013

Table 3.

Median (with range) of variables describing polymorphism in DNA and RNA virus sequence datasets excluding those in highly conserved categories.

Variable	DNA viruses infecting vertebrates (no arthropod vector) (N = 68)	RNA viruses infecting plants and vertebrates (no arthropod vector, exposed proteins only) (N = 65)	P (Mann-Whitney test)
π_S	0.0229 (0.0016-0.4422)	0.0695 (0.0015-0.4951)	0.001
π_N	0.0057 (0.0003-0.1122)	0.0104 (0.0004-0.1875)	N.S.
π_N / π_S	0.2662 (0.0316-4.3281)	0.1705 (0.0172-2.4400)	< 0.001
Q_syn	-0.0755 (-0.9814-2.9425)	-0.0171 (-1.3471-15.4082)	N.S.
Q_non	-0.3589 -1.0124-2.9972)	-0.5947 (-1.2838-1.8424)	0.016
GC3 (%)	50.1 (23.3-96.5)	44.2 (30.4-73.3)	N.S.