Table 1. The thirteen taxa chosen for this study and respective data.

Taxa	Amino acid sequences	Nucleotide sequences	Domesticated
Bison bison	35,698	189,258	No
Bos grunniens	1,953	1,777	Yes
Bos indicus	2,277	52,374	Yes
Bos mutus	47,595	112,226	No
Bos taurus	127,289	231,900	Yes
Bubalus bubalis	45,817	1,030,307	Yes
Capra hircus	48,559	88,639	Yes
Muntiacus muntjak	139	361	No
Ovis aries	106,666	112,681	Yes
Pantholops hodgsonii	32,338	60,339	No
Sus scrofa	69,780	548,285	Yes
Equus caballus	50,961	146,304	Yes
Equus przewalskii	38,809	109,141	No

The number of amino acid/nucleotide sequences available at NCBI and the domestication status are shown for each taxon.