| Primary Identifier | MGI:7261362 | Allele Type | Targeted |
| Attribute String | Conditional ready, No functional change | Gene | Lifr |
| Transmission | Germline | Strain of Origin | C57BL/6NTac |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | The targeting construct inserted a loxP upstream of exon 4 and an FRT-flanked puromycin resistance cassette with a 3' loxP site downstream of exon 4. Flp-mediated recombination removed the selection cassette and left exon 4 floxed. |