| Primary Identifier | MGI:2182273 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Tnf |
| Transmission | Germline | Strain of Origin | 129/Sv |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | The insertion of a single neomycin selection cassette deleted exons 2 and 3 of the Lta locus and exon 1 through the middle of exon 4 of the Tnf locus. |