| Primary Identifier | MGI:2387941 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Irf4 |
| Transmission | Germline | Strain of Origin | 129P2/OlaHsd |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | Exons 2 and 3 were replaced by a neomycin selection cassette inserted by homologous recombination. Protein was undetected by Western blot analysis of concanavalin A activated lymph nodes obtained from homozygous mutant mice. |