| Primary Identifier | MGI:6191661 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Tssk4 |
| Transmission | Germline | Strain of Origin | 129 |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | A neomycin resistance cassette with a 5' loxP site was inserted upstream of exon 1. An additional loxP site was inserted downstream of exon 1. Cre-mediated recombination removed the selection cassette and exon 1. Immunohistochemistry confirmed the absence of protein expression in testes. |