| Primary Identifier | MGI:2448337 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Gap43 |
| Transmission | Germline | Strain of Origin | 129S4/SvJae |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | Exon 2, which contains approximately 85% of the coding sequence, was replaced with a neomycin selection cassette inserted by homologous recombination. Protein was undetected by Western blot analysis of brain tissue obtained from homozygous mutant mice. The absenceof protein was also indicated by immunohistochemical analysis of neurons. |