Domain	Number of genes
21ur-1910	1
21ur-1911	1
21ur-1912	1
21ur-1913	1
21ur-1914	1
21ur-1915	1
21ur-1916	1
21ur-1917	1
21ur-1918	1
21ur-1919	1
21ur-192	1
21ur-1920	1
21ur-1921	1
21ur-1922	1
21ur-1923	1
21ur-1924	1
21ur-1925	1
21ur-1926	1
21ur-1927	1
21ur-1928	1