Domain	Number of genes
ZRANB3	2
ZSCAN20-29-32	5
ZT_dimer	2
ztf-1	1
ztf-11	1
ztf-13	1
ztf-14	1
ztf-15	1
ztf-16	1
ztf-17	1
ztf-18	1
ztf-2	1
ztf-20	1
ztf-22	1
ztf-23	1
ztf-25	1
ztf-26	1
ztf-27	1
ztf-28	1
ztf-29	1