| Primary Identifier | MGI:4410321 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Spdef |
| Transmission | Germline | Strain of Origin | 129P2/OlaHsd |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | Germ line, flp mediated recombination of Spdeftm1.1Cle removes the neo cassette from the allele, which lacks exon 6. The absence of protein expression was confirmed by immunohistochemistry on colon samples. |