Table 5.

Evolutionary Conserved Regions in Each Segment

	Rat			Human			Zebrafish			Takifugu			Tetraodon			Ciona intestinalis
	ECRs	Ca	NCb	ECRs	C	NC	ECRs	C	NC	ECRs	C	NC	ECRs	C	NC	ECRs	C	NC
0	342	118	224	26	23	3	39	21	18	6	5	1	8	7	1	14	11	3
1	1286	631	645	143	103	40	261	114	147	138	83	55	131	78	53	33	20	13
2	3409	1185	2224	255	85	170	122	88	34	131	118	13	87	75	12	8	7	1
3	363	134	229	1	0	1	10	0	10	0	0	0	8	0	8	0	0	0
4	3147	1222	1925	360	205	155	31	17	14	45	29	16	36	35	1	12	9	3
5	591	169	422	25	19	6	29	20	9	7	3	4	8	7	1	0	0	0
6	944	362	582	55	21	34	26	26	0	32	28	4	27	26	1	0	0	0
7	764	73	691	73	27	46	33	21	12	27	12	15	18	16	2	11	7	4
8	1707	484	1223	171	49	122	38	17	21	45	37	8	11	8	3	5	4	1
9	286	124	162	7	6	1	40	35	5	29	26	3	13	0	13	22	0	22
Total	12,839	4502	8327	1116	539	578	629	359	270	460	341	119	347	252	95	105	58	47
%NC			64.9			51.8			42.9			25.9			27.4			44.8

^aNumber of ECRs in coding (exonic) regions.

^bNumber of ECRs in noncoding (nonexonic) regions.