Relative position (order) of a gene, in a locus from the 5' end of a locus to its 3' end. The number '0' indicates that the relative position is unknown.
| IMGT gene name | IMGT gene order |
|---|---|
| IGKV2-12 | 1 |
| IGKV1-11 | 2 |
| IGKV2-10 | 3 |
| IGKV1-9 | 4 |
| IGKV2-8 | 5 |
| IGKV1-7 | 6 |
| IGKV1-14 | 7 |
| IGKV2-13 | 8 |
| IGKV1D-11 | 9 |
| IGKV2D-12 | 10 |
| IGKV2-6 | 11 |
| IGKV2-5 | 12 |
| IGKV5-4 | 13 |
| IGKV3-3 | 14 |
| IGKV7-2 | 15 |
| IGKV3-1 | 16 |
| IGKJ1 | 17 |
| IGKJ2 | 18 |
| IGKJ3 | 19 |
| IGKJ4 | 20 |
| IGKJ5 | 21 |
| IGKC | 22 |