| Primary Identifier | MGI:3796983 | Allele Type | Targeted |
| Attribute String | Modified regulatory region | Gene | Rr148 |
| Transmission | Germline | Strain of Origin | (129/Sv x C57BL/6)F1 |
| Is Recombinase | false | Is Wild Type | false |
| description | ES cell line = F1.11 |
| molecularNote | The core Emu enhancer element, located between the Igh J and Cmu gene segments, was replaced by a loxP site flanked neomycin resistance gene cassette. Germ line, cre-mediated recombination was used to remove the neo cassette. |