| Primary Identifier | MGI:3050294 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Csk |
| Transmission | Germline | Strain of Origin | Not Specified |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | A loxP site was inserted in intron 8 and a floxed HSVtk-neo selection cassette was inserted in intron 10. The selection cassette and exons 9 and 10 were subsequently removed from properly targeted ES cells by transient cre expression. |