Table 5.

Analysis for positive selection footprint on the A1 to A6 orthologous subgroups branches (‘branch-site’ models).

	Null model				Branch-site model
Tested branch	# parameters	lnL	p0 ω0 < 1	p1 (ω1 = 1)	# parameters	lnL	Tested branch p2 ω2> 1	LRT branch-site vs. null
A1	207	–55746.823	0.81 ω0 = 0.166	0.19	208	–55746.823	n.e.	1
A2	207	–55727.382	0.81 ω0 = 0.167	0.19	208	–55727.382	n.e.	n.e.
A3	207	–55728.298	0.81 ω0 = 0.167	0.19	208	–55728.946	n.e.	n.e.
A4	207	–55728.946	0.81 ω0 = 0.167	0.19	208	–55728.946	n.e.	0,9980
A5	207	–55733.021	0.81 ω0 = 0.167	0.19	208	–55728.925	0.023 ω2 = 1	0.421 10-2
A6	207	–55721.491	0.81 ω0 = 0.166	0.19	208	–55717.905	0.098 ω2 = 5.98	0.741 10-2

Significant values are in bold.