| Primary Identifier | MGI:4461956 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Ccna2 |
| Transmission | Germline | Strain of Origin | Not Specified |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | Cre mediated recombination removed the neo cassette and exons 2 through 7. The absence of protein expression was confirmed by western blot analysis on mouse embryonic fibroblast extracts. |