| Primary Identifier | MGI:4867866 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Spdef |
| Transmission | Germline | Strain of Origin | 129S4/SvJae |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | Exons 2-5 were replaced with a PGK-neomycin resistance cassette. This removed the transactivation domain, the Pointed domain, and most of the Ets DNA binding domain. Absence of protein was confirmed by immunostaining. |
