Table 2.

Density of Repeat Elements in the Smcx/SMCX Region in Mouse and Human

	Mouse				Human
	Smcxa	Smcx-Hadh2b	Xc	Genomed	SMCXa	SMCX-HADH2b	Xc	Genomed
SINE
B2	568e	341	110	145
B4	247	275	121	173
ID	148	96	25	24
MIR	99	249	45	47	453	564	155	192
ALU	766	489	183	217	423	784	302	390
LINE
L1	346	441	501	320	272	490	425	303
L2	25	136	26	24	60	343	126	140
CR1	0	22	4	3	0	64	18	18
LTR	49	284	300	316	30	78	246	217
DNA	49	92	46	50	91	83	119	130
Low complexity	99	122	129	137	91	98	98	122
Simple	519	354	311	384	91	147	145	139
GC (%)	42.6	43	39	42	48.4	47.4	39.4	41
Size (Mb)	0.040	0.228	150	2500	0.033	0.204	154	3000

^aSmcx/SMCX genomic region.

^bSmcx-Hadh2 or SMCX-HADH2: genomic region between these two genes, excluding them.

^cWhole X-chromosome.

^dWhole genome.

^eRepeats in number per megabase of DNA.