| Primary Identifier | MGI:1857258 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Tgfb1 |
| Transmission | Germline | Strain of Origin | 129S2/SvPas |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | A neomycin resistance cassette was inserted into exon 6 of the gene, disrupting the production of a mature peptide. |