Table 3. Comparison of repeats in the Nkrp1-Clr and Ly49 gene clusters from B6 mice.^a .

Type of element	Number of elements		Length occupied (bp)		Percentage of sequence
	Nkrp1	Ly49	Nkrp1	Ly49	Nkrp1	Ly49
SINES
Alu/B1	94	99	11303	11148	1.68	1.95
B2–B4	106	35	15205	4936	2.27	0.86
IDs	12	5	832	376	0.12	0.07
MIRs	9	0	1207	0	0.18	0.00
Total	221	139	28547	16460	4.25	2.87
LINEs
LINE1	148	264	147150	203094	21.92	35.46
LINE2	9	4	1133	348	0.17	0.06
L3/CR1	1	0	46	0	0.01	0.00
Total	158	268	148329	203442	22.10	35.52
LTR elements
ERVL	21	2	5500	791	0.82	0.14
ERVL-MaLRs	57	26	17394	12857	2.59	2.24
ERV_classI	38	18	18508	14752	2.76	2.58
ERV_classII	182	43	136954	40436	20.40	7.06
Total	298	89	178356	68836	26.57	12.02
DNA elements
hAT-Charlie	6	4	902	305	0.13	0.05
TcMar-Tigger	17	0	3784	0	0.56	0.00
Total	25	4	4939	305	0.74	0.05
Unclassified	2	1	1866	45	0.28	0.01
Total interspersed repeats			362037	289088	53.93	50.48
Small RNA	14	8	1028	513	0.15	0.09
Satellites	3	2	313	197	0.05	0.03
Simple repeats	186	199	10491	12840	1.56	2.24
Low complexity	64	110	3236	5281	0.48	0.92

^aAs detected by RepeatMasker.