TABLE 2.

Tests of positive selection on Lepidopteran GOBP and PBP genes by branch-site model (Branch labels referring to Figure 5).

Branch-site model	H0 lnL Vs. H1 lnL	df	2△l and P-value	Parameter Estimated under H1	Positively Selected Sites (PSSs)
GOBP1	–3159.24	1	4.61	p0 = 0.809, p1 = 0.140	41S 43G
	–3156.94		P = 0.0318*	p2a = 0.043, p2b = 0.007
				ω1 = 1.000, ω2 = 533.665
GOBP2	–3897.96	1	2.89	p0 = 0.861, p1 = 0.107	N/A
	–3896.51		P = 0.0890	p2a = 0.028, p2b = 0.004
				ω1 = 1.000, ω2 = 999.000
PBP3	–3313.48	1	0.18	p0 = 0.639, p1 = 0.104	26Q 46E 112D 115T 148K 149G 150M 153S
	–3313.39		P = 0.6755	p2a = 0.221, p2b = 0.036
				ω1 = 1.000, ω2 = 1.269
PBP2	–3414.50	1	0	p0 = 0.759, p1 = 0.191	N/A
	–3414.50		P = 1.0000	p2a = 0.040, p2b = 0.010
				ω1 = 1.000, ω2 = 1.000
PBP1	–3254.95	1	0.41	p0 = 0.769, p1 = 0.197	N/A
	–3254.75		P = 0.5212	p2a = 0.027, p2b = 0.007
				ω1 = 1.000, ω2 = 2.733

*Significant within the 5% interval after Bonferroni correction.

**Significant within the 1% interval after Bonferroni correction.

PSSs in bold show 99% posterior probability confidence.

N/A: No positively selected sites were detected.