| Primary Identifier | MGI:3621931 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Ctsf |
| Transmission | Germline | Strain of Origin | Not Specified |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | A neomycin resistant gene replaced exons 7 through 9. Northern and Western analyses failed to detect transcript and protein, respectively. |