| Primary Identifier | MGI:3052754 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Trex1 |
| Transmission | Germline | Strain of Origin | 129P2/OlaHsd |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | A neomycin resistance gene cassette replaced sequence encoding amino acids 103-207 of the encoded peptide, including conserved exonuclease magnesium binding motifs II and III. RT-PCR showed no transcript present in mutant spleens. Mutant livers did not demonstrate protein in Western blot analysis. |
