Table 2. The predicted D-boxes and KEN-boxes in five eukaryotic organisms.

Method		S. cerevisiae	C. elegans	D. melanogaster	M. musculus	H. sapiens	Total
RXXL	Boxa	12,814	7,555	9,520	51,065	63,018	143,972
	Pro.b	4,723	2,519	2,569	13,503	16,477	39,791
Motif-D1	Box	118	51	39	216	247	671
	Pro.	117	51	39	213	244	664
Motif-D2	Box	817	415	445	1,746	2,123	5,546
	Pro.	732	374	395	1,581	1,916	4,998
Motif-D3	Box	3,154	1,849	2,442	12,478	15,138	35,061
	Pro.	2,207	1,192	1,411	7,523	8,963	21,296
GPS 2.2	Box	1,104	635	815	4,022	4,841	11,417
	Pro.	958	517	638	3,221	3,832	9,166
KEN	Box	1,045	362	387	1,966	2,683	6,443
	Pro.	891	331	340	1,668	2,206	5,436
Motif-KEN	Box	143	42	35	159	222	601
	Pro.	138	42	34	157	220	591
GPS 2.2	Box	641	227	241	1,191	1,632	3,932
	Pro.	571	216	217	1,052	1,403	3,459

^aBox, the number of the predicted boxes;

^bPro., the number of the predicted D-box or KEN-box proteins.