| Primary Identifier | MGI:3038822 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Chek2 |
| Transmission | Germline | Strain of Origin | 129P2/OlaHsd |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | A 6 kb region including exons 2 to 5 was deleted and replaced via homologous recombination with a neo cassette. Northern blot analysis confirmed the absence of mRNA in homozygotes. |