Domain	Number of genes
Y1E3A.1	1
Y20C6A.1	1
Y20F4.1	1
Y20F4.6	1
Y20F4.7	1
Y22D7AL.2	1
Y22D7AL.6	1
Y22D7AR.1	1
Y22D7AR.4	1
Y22F5A.3	1
Y23H5A.6	1
Y23H5B.7	1
Y24D9A.3	1
Y24D9A.8	1
Y24F12A.1	1
Y25C1A.7	1
Y25C1A.8	1
Y26D4A.1	1
Y26D4A.17	1
Y26D4A.18	1