| Primary Identifier | MGI:3604300 | Allele Type | Targeted |
| Attribute String | Modified regulatory region, Null/knockout | Gene | Rr148 |
| Transmission | Germline | Strain of Origin | 129S6/SvEvTac |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | Cre-mediated excision was used to remove the loxP site flanked neomycin resistance gene cassette that replaced the core Emu enhancer, located between the Igh J and Cmu gene segments. These mice had reduced B cell numbers in association with impaired D to JH and VH to DJH rearrangement. |
