| Primary Identifier | MGI:3817409 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Stx1a |
| Transmission | Germline | Strain of Origin | Not Specified |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | Exons 3 to 6 were replaced with a neomycin selection cassette. In addition, a stop codon was inserted in exon 2. RT-PCR of RNA extracted from the brains of homozygous mice demonstrated that no transcription occurred. |