| Primary Identifier | MGI:3573756 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Spink5 |
| Transmission | Germline | Strain of Origin | 129P2/OlaHsd |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | The first four coding exons, including the ATG, were replaced with a neomycin resistance gene. RT-PCR of skin from mutants demonstrated successful ablation of the gene. |