| Primary Identifier | MGI:3820229 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Spag9 |
| Transmission | Germline | Strain of Origin | 129P2/OlaHsd |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | A 2.2 kb fragment of genomic DNA including all ox exon 1 was replaced with a neo cassette via homologous recombination. Western blot analysis of testicular cell lysates confirmed the absence of protein in homozygotes. |
