| Primary Identifier | MGI:7448952 | Allele Type | Endonuclease-mediated |
| Attribute String | Null/knockout | Gene | Ccr4 |
| Strain of Origin | C57BL/6JCya | Is Recombinase | false |
| Is Wild Type | false |
| molecularNote | The exon 2 of the Ccr4 gene was deleted by using CRISPR/Cas9 technology. |