| Primary Identifier | MGI:3046514 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Pias4 |
| Transmission | Germline | Strain of Origin | 129 |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | The majority of the coding region, exons 3 - 11, was replaced with a neo gene via homologous recombination. RT-PCR and western blot analysis confirmed the absence on RNA and protein expression in homozygous mutants |