| Primary Identifier | MGI:3617971 | Allele Type | Targeted |
| Attribute String | Modified regulatory region, Null/knockout | Gene | Rr27 |
| Transmission | Germline | Strain of Origin | 129P2/OlaHsd |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | The targeting vector replaced 3.8 kb of sequence including the entire DMD and G-rich repeat element. Cre-mediated recombination removed the floxed neomycin resistance gene cassette. |