| Primary Identifier | MGI:6449636 | Allele Type | Endonuclease-mediated |
| Attribute String | Modified regulatory region | Gene | Rr148 |
| Strain of Origin | C57BL/6 | Is Recombinase | false |
| Is Wild Type | false |
| molecularNote | The 200 bp core region cEmu of enhancer iEmu, located in an intron between the Igh Cmu constant region segments and Jh joining region segments, was deleted by CRISPR/Cas9 genome editing technology. |