| Primary Identifier | MGI:6751624 | Allele Type | Targeted |
| Attribute String | Not Specified | Gene | Trex1 |
| Transmission | Germline | Strain of Origin | 129S6/SvEvTac |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | The targeting construct introduced nucleotide substitutions that result in the amino acid substitution of arginine with histidine at position 114 (R114H). Recombination removed the selection cassette. |