| Primary Identifier | MGI:3700204 | Allele Type | Targeted |
| Gene | Chrna4 | Transmission | Germline |
| Strain of Origin | 129X1/SvJ | Is Recombinase | false |
| Is Wild Type | false |
| molecularNote | The S252F mutation was introduced. A floxed neo was removed from the locus via cre mediated recombination. |