| Primary Identifier | MGI:1857944 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | E2f1 |
| Transmission | Germline | Strain of Origin | 129S2/SvPas |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | All of exon 2 and part of exon 3, encoding residues critical for cyclin and DNA binding, was replaced with a neomycin cassette in antisense orientation. Immunoprecipitation and Western blot analysis demonstrated that no protein was made in fibroblasts isolated from E12.5 homozygous embryos. |
