| Primary Identifier | MGI:7495885 | Allele Type | Endonuclease-mediated |
| Attribute String | Null/knockout | Gene | Frey1 |
| Strain of Origin | B6D2F1 | Is Recombinase | false |
| Is Wild Type | false |
| molecularNote | CRISPR/Cas9 genome editing technology was used to generate a 619-bp deletion in the coding region, resulting in translation of an incorrect amino acid sequence. Western blot analysis confirmed the absence of protein expression in homozygous null testes. |