| Primary Identifier | MGI:6755478 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Fis1 |
| Transmission | Germline | Strain of Origin | Not Specified |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | The targeting construct flanked exon 2 with loxP sites. Cre-mediated recombination removed exon 2. |