See also Potential germline repertoire: Mouse (Mus musculus) anterior to January 2023.

House mouse (Mus musculus) IGHV genes

The house mouse (Mus musculus) IGH locus on chromosome 12 comprises 356 IGHV genes belonging to 16 IGHV subgroups:
IMGT group IMGT subgroup Functional ORF Pseudogene Total
IGHV IGHV1 106(+6)* 4(+1)* 57(37:20) (+5(5:0))* 173
IGHV2 21(+1)* 0 3(1:2) (+1(1:0))* 25
IGHV3 7(+2)* 0 1(1:0) (+2(1:1))* 10
IGHV4 1(+1*) 0 (1(1:0))* 2
IGHV5 26 0 27(2:25) 53
IGHV6 6 2 3(0:3) 11
IGHV7 3 (1)* (+1(0:1))* 4
IGHV8 5(+2)* 3(+2)* 13(6:7) (+1(1:0))* 23
IGHV9 8 0 0 8
IGHV10 4 0 3(0:3) 7
IGHV11 2 0 0 2
IGHV12 2 1 4(3:1) 7
IGHV13 1 (+1)* (+1(1:0))* 2
IGHV14 4(+1)* 0 (+1(1:0))* 5
IGHV15 1 0 1(0:1) 2
IGHV16 0 1 0 1
IGHV(I) 0 0 2(0:2) 2
IGHV(II) 0 0 5(0:5) 5
IGHV(III) 0 0 14(0:14) 14
Total 197(+13)* 13(+5)* 132(+13)* 356
In the column 'Pseudogene', the number of pseudogenes with V-REGION in-frame and the number of pseudogenes with frameshift(s) are shown separated by two dots, between parentheses.
* An asterisk indicates that the following gene has alleles with different functionalities:
- FUNCTIONAL or PSEUDOGENE (IGHV1-42, IGHV1-58, IGHV1S30, IGHV1S65, IGHV1S112, IGHV2-7, IGHV3-2, IGHV3-3, IGHV4-2, IGHV14-2).
- FUNCTIONAL or ORF (IGHV1-62-3, IGHV8-5).
- ORF or PSEUDOGENE (IGHV7-2, IGHV13-1)
- FUNCTIONAL, ORF or PSEUDOGENE (IGHV8-9).

House mouse (Mus musculus) IGHD genes

The house mouse (Mus musculus) IGH locus on chromosome 12 comprises 34 IGHD genes belonging to 6 IGHD subgroups:
IMGT group IMGT set or subgroup (if any) Functional ORF Pseudogene Total
IGHD IGHD1 3 0 0 3
IGHD2 14 0 0 14
IGHD3 3 0 0 3
IGHD4 1 0 0 1
IGHD5 0 6 1 7
IGHD6 5 1 0 6
Total 26 7 1 34

House mouse (Mus musculus) IGHJ genes

The house mouse (Mus musculus) IGH locus on chromosome 12 comprises 4 IGHJ genes:
IMGT group IMGT set or subgroup (if any) Functional ORF Pseudogene Total
IGHJ IGHJ1 1 0 0 1
IGHJ2 1 0 0 1
IGHJ3 (1)* 0 (1)* 1
IGHJ4 1 0 0 1
Total 3(+1)* 0 (1)* 4
* An asterisk indicates that the following gene has alleles with different functionalities:
- FUNCTIONAL or PSEUDOGENE (IGHJ3).

More information:
Gene table: house mouse (Mus musculus) IGHV
Gene table: house mouse (Mus musculus) IGHD
Gene table: house mouse (Mus musculus) IGHJ
Locus description: house mouse (Mus musculus) IGH