| Primary Identifier | MGI:3497744 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Sptbn4 |
| Transmission | Germline | Strain of Origin | C57BL/6 |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | Exon 2 of the epsilon 1 isoform, encoding the first methionine, was replaced by a neomycin resistance gene in opposite transcriptional orientation to the gene via homologous recombination. Western and immunofluorescence analysis confirmed the absence of protein in adult brain and sciatic nerve. |