Table 2.

Results from the BAli-Phy Analyses for the Hypothesis Testing on the Origin of the E5 ORFs within the AlphaPV Clade (red in fig. 1 )

Model	Full Data Set				Reduced Data Set
	P(data$|$M)	ΔBF	Ali Length	Tree Length	P(data$|$M)	ΔBF	Ali Length	Tree Length
H0: (α1–α2–β–γδ–δ–$ϵ\zeta$)	−6,400.049	0	305	1.059	−3,288.708	0	216	1.207
H1: (α1–α2–γδ–δ–$ϵ\zeta$) + β	−6,415.579	15.530	328	2.238	−3,300.208	11.500	275	2.533
H2: (α1–α2–γδ–δ) + β + $ϵ\zeta$	−6,460.830	60.781	370	3.288	−3,336.950	48.242	344	3.581
H3: (α1–α2–$ϵ\zeta$) + (γδ–δ) + β	−6,460.851	60.802	401	3.329	−3,333.322	44.614	384	3.689
H4: (α1–α2–$ϵ\zeta$) + β + γδ + δ	−6,515.861	115.812	444	4.306	−3,388.247	99.539	431	4.641
H5: (α1–α2) + (γδ–δ)+ β + $ϵ\zeta$	−6,491.504	91.455	438	4.431	−3,362.185	73.477	414	4.767
H6: α1 + α2 + γδ + δ + β + $ϵ\zeta$	−6,609.832	209.783	551	6.489	−3,472.122	183.414	535	6.879

Note.—For each hypothesis tested, common ancestry (H0) and independent origins (H1–H6), we show the marginal likelihood (P(data | M)) value, the ΔBF, the alignment (ali) length, and tree length. H0 is the best supported model according to all statistics tested here.