| Primary Identifier | MGI:2656567 | Allele Type | Targeted |
| Attribute String | Conditional ready, No functional change | Gene | Atr |
| Transmission | Germline | Strain of Origin | 129S2/SvPas |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | LoxP sites were inserted flanking exons encoding essential regions of the kinase domain. An adjacent frt-flanked neomycin and thymidine kinase cassette was removed by Flp-mediated recombination in ES cells prior to the production of mice. |