Table 2.

Comparison of null and alternative models by LRT and positively selected sites estimated by Bayes Empirical Bayes.

Test	Contrast	LRT	D.F.	χ2- Probability	Positively selected sites
Relaxed branch-site	M1a × MA	40.520	2	p < 10-8	16, 25, 31, 49, 61, 64, 65, 83, 105, 111, 131,
Strict branch-site	Restricted MA × MA	3.817	1	p < 0.05	164, 167, 188, 194, 195

LRT - likelihood ratio test; D.F - Degrees of freedom.