| Primary Identifier | MGI:2179735 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Sv2a |
| Transmission | Germline | Strain of Origin | 129 |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | A neomycin resistance gene replaced a genomic fragment including the exon containing the translation initiation codon. Western blot analysis on brain extracts derived from homozygous mice confirmed that no detectable encoded protein was present. |