| Primary Identifier | MGI:3588581 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Mus81 |
| Transmission | Germline | Strain of Origin | 129S5/SvEvBrd |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | Cre mediated excision was used to remove exons 9-12, which includes the endonuclease domain. |