| Primary Identifier | MGI:6423522 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Smad7 |
| Transmission | Germline | Strain of Origin | 129P2/OlaHsd |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | LoxP sites and an frt-flanked neomycin selection cassette were inserted to flank exon 4 of the gene. Exon 4 was removed via Cre-mediated recombination in the germline. |