Table 4. Fast Unconstrained Bayesian AppRoximation (FUBAR) results for site with human-specific amino acid changes.

α, mean posterior synonymous substitution rate. β, mean posterior non-synonymous substitution rate. Mean posterior β-α. P[α > β], posterior probability of negative selection. P[α < β], posterior probability of positive selection. BF[α < β], empirical Bayes factor for positive selection. PSRF, potential scale reduction factor (a measure of MCMC mixing). Neff, effective sample size.

Site	α	β	β—α	P[α > β]	P [α < β]	BF[α < β]	PSRF	Neff
159	2.77	1.15	-1.62	0.98	0.00	0.02	1.02	112.62
172	2.04	1.10	-0.95	0.75	0.09	0.66	1.03	83.33
192	0.75	0.70	-0.05	0.49	0.41	4.55	1.01	262.30
201	1.09	0.64	-0.45	0.79	0.13	0.97	1.00	267.69
216	5.22	0.58	-4.63	1.00	0.00	0.01	1.02	102.74
347	3.59	0.60	-2.99	1.00	0.00	0.00	1.02	99.99
430	2.53	0.87	-1.66	0.97	0.01	0.08	1.02	92.42
662	0.57	0.77	0.20	0.26	0.66	12.72	1.01	180.06