Domain	Number of genes
ULK2	1
ulp-1	1
ulp-2	1
ulp-3	1
ulp-4	1
ulp-5	1
UME	4
UMP1	9
UMPH-1	9
umps-1	1
UnbV_ASPIC	3
unc-1	1
unc-10	1
unc-100	1
unc-101	1
unc-103	1
unc-104	1
unc-105	1
unc-108	1
unc-109	1