| Primary Identifier | MGI:2682953 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Cdc25b |
| Transmission | Germline | Strain of Origin | Not Specified |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | A 4.0 kb region encoding the phosphatase box was replaced with a neomycin selection cassette inserted by homologous recombination. Protein was undetected by Western blot analysis of homozygous mutant MEF extracts using an N-terminal antibody. |