| Primary Identifier | MGI:5912501 | Allele Type | Targeted |
| Attribute String | Conditional ready | Gene | E2f1 |
| Transmission | Germline | Strain of Origin | C57BL/6NTac |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | A loxP site and FRT-flanked puro resistance cassette were inserted in intron 1 and a loxP site was inserted in intron 3 via homologous recombination. Flp mediated recombination removed the neo cassette. |