| Primary Identifier | MGI:4948361 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Map1s |
| Transmission | Germline | Strain of Origin | 129S4/SvJaeSor |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | Cre-mediated recombination removed exons 4 and 5. The absence of protein expression was confirmed by western blot analysis on heart extracts. |