| Primary Identifier | MGI:1857205 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Irf1 |
| Transmission | Germline | Strain of Origin | 129S2/SvPas |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | A neomycin resistance cassette replaced a 1.2 kb region of the gene, which encodes for amino acids 63 - 223, deleting part of the DNA-binding domain of the protein. |