| Primary Identifier | MGI:3624262 | Allele Type | Targeted |
| Attribute String | Conditional ready, No functional change | Gene | Smad4 |
| Transmission | Germline | Strain of Origin | 129S/SvEv-Gpi1<c> |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | The first codon was flanked with loxP sites. |