Domain	Number of genes
suv-2	1
suv-3	1
SUV39H1-39H2	3
SUV39H2	1
SUV3_C	4
Suv3_C_1	3
Suv3_N	3
suv-4	1
suv-5	1
SUZ	10
SUZ-C	6
SVEP1	2
svh-1	1
svh-2	1
SVIP	3
svop-1	1
SVOPL	4
swah-1	1
swan-1	1
swan-2	1