Domain	Number of genes
Y54G2A.43	1
Y54G2A.45	1
Y54G2A.49	1
Y54G2A.73	1
Y54G9A.1	1
Y54G9A.2	1
Y55B1AR.2	1
Y55D5A.1	1
Y55D9A.2	1
Y55F3AL.2	1
Y55F3AM.3	1
Y55F3AM.6	1
Y55F3AM.9	1
Y55F3BL.2	1
Y55F3BL.3	1
Y55F3BR.2	1
Y55F3BR.3	1
Y55F3C.1	1
Y55F3C.4	1
Y55F3C.9	1