| Primary Identifier | MGI:5693900 | Allele Type | Targeted |
| Attribute String | Humanized sequence, Inserted expressed sequence | Gene | Tbp |
| Transmission | Germline | Strain of Origin | 129S/SvEv |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | Exon 2 was replaced with a floxed STOP, a neomycin resistance cassette and the corresponding human sequence for exon 2 with 105 CAG repeats. Cre-mediated recombination removed the floxed STOP, resulting in expression of the 105 CAG repeats. |