| Primary Identifier | MGI:3698312 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Ctsk |
| Transmission | Germline | Strain of Origin | 129S4/SvJae |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | A targeting vector was designed to replace exons 1 and 2 with a neomycin resistance cassette. Northern blot confirmed absence of transcript in mutants. |