| Primary Identifier | MGI:2387956 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Crlf1 |
| Transmission | Germline | Strain of Origin | 129S1/Sv-Oca2<+> Tyr<+> Kitl<+> |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | The majority of the coding region of the gene was replaced with a neomycin resistance cassette via homologous recombination. Northern blot analysis of lung, kidney, head, and limbs from homozygous mutant animals did not detect gene expression. |