Evolutionary History of LTR Retrotransposon Chromodomains in Plants

Table 3

Maximum likelihood estimates and LRT statistics for the chromodomain.

Foreground branch	2Δℓ	𝑝1/2𝜒^20+1/2𝜒^21	𝑝0	𝑝1	𝜔0	𝜔2	Positively selected sites (90%)
base T	1.634722	0.1005255	0.71854	0.02675	0.07183	∞
base R	1.11799	0.145176	0.69307	0.02571	0.07074	19.50879
base G*	4.766098	0.014513	0.84189	0.03127	0.07093	∞	none
base TR*	3.720944	0.026867	0.70023	0.02601	0.07199	∞	3/9/23/46/48
base GTR*	5.652052	0.0087175	0.71684	0.02660	0.07097	∞	1/30/44/45/46/47/49

*Branches Galadriel (G), Tekay-Reina (TR), Galadriel-Tekay-Reina (GTR) are detected to be under positive selection by Hommel test procedure.