| Primary Identifier | MGI:1857692 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Smad2 |
| Transmission | Germline | Strain of Origin | 129S4/SvJae |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | A neomycin cassette replaced part of exon 3 and all of exon 4, encoding amino acids 100 - 174, part of the conserved MH1 domain. |