Domain	Number of genes
unc-9	1
unc-90	1
unc-93	1
UNC-93	25
unc-94	1
unc-95	1
unc-96	1
unc-97	1
unc-98	1
ung-1	1
UN_NPL4	3
UPA	16
UPA_2	3
UPAR_LY6	18
UPAR_LY6_2	2
upb-1	1
UPF0004	7
UPF0016	6
UPF0020	8
UPF0029	5