Domain	Number of genes
T21B6.4	1
T21C12.4	1
T21C12.7	1
T21C12.8	1
T21C9.10	1
T21D12.1	1
T21D12.6	1
T21E12.2	1
T21F4.1	1
T21H3.1	1
T22A3.4	1
T22B11.2	1
T22B11.4	1
T22B2.4	1
T22B2.7	1
T22B3.2	1
T22B7.2	1
T22B7.6	1
T22D1.3	1
T22D1.7	1