| Primary Identifier | MGI:1858020 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Ep300 |
| Transmission | Germline | Strain of Origin | 129S4/SvJae |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | A genomic fragment containing exons encoding the first cys/his rich domain were replaced with a neomycin selection cassette. Western blot analysis on embryonic fibroblasts derived from homozygous E10.5 embryos demonstrated that no detectable protein was expressed. |