Domain	Number of genes
21ur-1929	1
21ur-193	1
21ur-1930	1
21ur-1931	1
21ur-1932	1
21ur-1933	1
21ur-1934	1
21ur-1935	1
21ur-1936	1
21ur-1937	1
21ur-1938	1
21ur-1939	1
21ur-194	1
21ur-1940	1
21ur-1941	1
21ur-1942	1
21ur-1943	1
21ur-1944	1
21ur-1945	1
21ur-1946	1