| Primary Identifier | MGI:2449920 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Sema3a |
| Transmission | Germline | Strain of Origin | 129S4/SvJae |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | The exon containing the start codon and encoding 38 amino acids was replaced with a neomycin selection cassette inserted by homologous recombination. Northern blot analysis showed low levels of transcript in homozygous mutant mice. |
