| Primary Identifier | MGI:5544290 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Wwtr1 |
| Transmission | Germline | Strain of Origin | 129S/SvEv |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | A loxP site was inserted upstream of exon 3 and an FRT flanked neo cassette and loxP site were inserted downstream of exon 3. Recombinase mediated recombination removed the neo cassette and exon 3. |