| Primary Identifier | MGI:7641465 | Allele Type | Endonuclease-mediated |
| Attribute String | Conditional ready | Gene | Extl1 |
| Strain of Origin | Not Specified | Is Recombinase | false |
| Is Wild Type | false |
| molecularNote | CRISPR/cas9 mediated recombination using guide RNAs and a targeting vector inserted loxP sites around exons 2 and 3. |