| Primary Identifier | MGI:5749156 | Allele Type | Targeted |
| Gene | Igh | Transmission | Germline |
| Strain of Origin | 129 | Is Recombinase | false |
| Is Wild Type | false |
| molecularNote | The genomic region adjacent to the DhJh segments was replaced by a tandem array containing 240 copies of the tet-operator3 via homologous recombination. The targeting vector also includes a pgk-neo selection cassette. |