| Primary Identifier | MGI:5795894 | Allele Type | Spontaneous |
| Gene | Tnf | Inheritance Mode | Dominant |
| Strain of Origin | Not Specified | Is Recombinase | false |
| Is Wild Type | false |
| molecularNote | A retrotransposon consisting of a small interspersed element (SINE) spontaneously inserted into the 3'UTR. This insertion provides a new polyadenylation signal and terminates the mRNA prematurely. Western blot analysis confirmed increased protein expression in bone marrow-derived macrophage lysates. |