| Primary Identifier | MGI:3710201 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Sptbn4 |
| Transmission | Germline | Strain of Origin | 129S4/SvJaeSor |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | The sigma 1-specific targeting vector was designed to replace exon 1 and part of exon 2 with a neomycin resistance cassette in reverse orientation. Immunoblot confirmed the absence of the sigma 1 isoform, and the normal expression of the sigma 6 isoform. |
