| Primary Identifier | MGI:3808750 | Allele Type | Targeted |
| Gene | Tk2 | Transmission | Germline |
| Strain of Origin | 129S6/SvEvTac | Is Recombinase | false |
| Is Wild Type | false |
| molecularNote | The coding sequence of exon 5 was modified such that the amino acid asparagine was substituted for histidine at position 126 (H126N). A floxed neo cassette used for selection purposes was removed by cre mediated recombination. |