| Primary Identifier | MGI:1930792 | 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 | A loxP-flanked neomycin resistance gene cassette replaced the region of the gene from approximately -2 to -4kb relative to the H19 transcription start site (the DMD domain). |