| Primary Identifier | MGI:5467982 | Allele Type | Targeted |
| Attribute String | Humanized sequence | Gene | Atxn2 |
| Transmission | Germline | Strain of Origin | 129S2/SvPas |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | Exon 1 was replaced with one in which the CAG trinucleaotide repeat is expanded to 42 copies. Flp-mediated recombination removed the FRT-flanked neo cassette inserted downstream of the modified exon 1. |