| Primary Identifier | MGI:3834675 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Pak1 |
| Transmission | Germline | Strain of Origin | 129S2/SvPas |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | A targeting vector replaced the coding sequence of the p21-binding domain and the inhibitory domain with a neomycin resistance gene in the anti-sense orientation. A lack of protein was confirmed in homozygote bone marrow-derived mast cells by immunoblot assays. |