| Primary Identifier | MGI:3719621 | Allele Type | Targeted |
| Attribute String | Conditional ready, No functional change | Gene | B9d2 |
| Transmission | Germline | Strain of Origin | 129S6/SvEvTac |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | LoxP sites were inserted to flank the promoter region and exon 1 of transforming growth factor, beta 1 as well as B9 protein domain 2. A floxed neo included in the vector was removed via transient cre expression. |