Table 1. The matched paralogs of the genes in the flanking region of duplicated AL genes in three species.

Taxon	Gene 1	Gene 2	Identity	Similar	E-value	GC3 of G1	GC3 of G2
Arabidopsis lyrata	AlAL1	AlAL2	87.7%	93.9%	6.1E-85	46.28%	42.34%
	487361	928831	77.7%	89.9%	2.1E-125	48.79%	47.45%
	487353	478456	79.3%	89.6%	1.2E-120	41.97%	40.27%
	487349	928823	73.7%	87.3%	4.4E-58	52.02%	50.20%
		Average	79.6%	90.2%		47.22%	45.06%
Arabidopsis thaliana	AtAL1	AtAL2	87.2%	94.2%	3.0E-89	45.45%	44.13%
	AT5G05600	AT3G11180	74.7%	88.9%	2.8E-112	48.66%	51.49%
	AT5G05580	AT3G11170	80.5%	89.2%	6.0E-120	45.43%	39.37%
	AT5G05550	AT3G11100	72.4%	88.6%	3.0E-55	53.44%	50.00%
		Average	78.7%	90.2%		48.25%	46.25%
Thellungiella halophila	ThAL1	ThAL2	87.2%	94.2%	3.0E-89	51.54%	45.71%
	Thhalv10013861m	Thhalv10022012m	75.1%	90.1%	2.6E-112	50.81%	51.58%
	Thhalv10013625m	Thhalv10020755m	81.6%	90.7%	7.8E-118	45.69%	46.47%
	no hit	no hit
		Average	81.3%	91.7%		49.35%	47.92%