| Primary Identifier | MGI:7657325 | Allele Type | Targeted |
| Attribute String | Inserted expressed sequence, Null/knockout | Gene | Smn1 |
| Inheritance Mode | Not Specified | Transmission | Germline |
| Strain of Origin | C57BL/6N | Is Recombinase | false |
| Is Wild Type | false |
| molecularNote | The mouse Smn1 genome sequence will be replaced by the human SMN2 genome sequence (flanked with ~15 and 5 kb of upstream and downstream sequences). |