| Primary Identifier | MGI:3039288 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Crlf2 |
| Transmission | Germline | Strain of Origin | 129P2/OlaHsd |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | Exons 3 and 4 were replaced with a neomycin resistance gene oriented in the direction opposite of endogenous gene transcription via homologous recombination. Northern blotting confirmed that no detectable transcript was produced from this allele in homozygous mutants. |