Table 1. Composition of mouse OR gene loci.

Locus*	No. of intact genes	No. of pseudogenes	% pseudogenes	No. of subfamilies
1-18	0	1	100	0
1-92	7	1	13	2
1-172	5	1	17	1
1-178	11	4	27	6
2-33	26	5	16	9
2-50	13	1	7	3
2-53	1	0	0	1
2-60	16	7	30	10
2-84	189	55	23	36
2-108	30	13	30	4
3-95	1	0	0	1
3-106	1	0	0	1
4-40	5	3	38	3
4-49	5	0	0	2
4-55	1	0	0	1
4-114	8	4	33	2
6-38	20	7	26	6
6-115	2	2	50	1
7-3	8	1	11	4
7-79	2	0	0	1
7-80	11	5	31	4
7-97	2	0	0	1
7-99	107	26	20	50
7-103	57	16	22	10
7-137	11	3	21	4
8-73	2	0	0	2
8-84	1	0	0	1
8-86	1	0	0	1
9-13	27	15	36	6
9-31	91	22	19	10
10-76	2	2	50	2
10-128	45	11	20	6
11-53	6	3	33	3
11-77	26	16	38	6
11-94	3	0	0	1
11-112	0	1	100	0
13-18	10	2	17	4
13-63	2	0	0	2
14-6	2	0	0	1
14-43	20	4	17	5
14-46	8	0	0	3
14-49	1	0	0	1
14-101	1	0	0	1
15-97	6	3	33	2
16-1	2	1	33	2
16-17	6	1	14	3
16-56	21	6	22	3
17-37	36	17	32	14
19-9	52	19	27	11
X-34	1	0	0	1
X-62	1	0	0	1

^*Locus is shown as chromosome-distance of locus in Mb from centromere.