| Primary Identifier | MGI:5829272 | Allele Type | Targeted |
| Attribute String | Modified regulatory region, Null/knockout | Gene | Rr40 |
| Transmission | Germline | Strain of Origin | 129S6/SvEvTac |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | The 45 bp (CTGTCACGGAAACCCCCACGTGTGATGGAAAGTCCAAAATTGTAC) Aire enhancer region within the conserved noncoding sequence 1 (CSN1) region, including two Nfkb1 binding sites, was replaced with a floxed neomycin resistance cassette. Cre-mediated recombination removed the selection cassette. |