| Primary Identifier | MGI:3688730 | Allele Type | Gene trapped |
| Attribute String | Null/knockout, Reporter | Gene | Btf3 |
| Transmission | Germline | Strain of Origin | 129S7/SvEvBrd-Hprt1<+> |
| Is Recombinase | false | Is Wild Type | false |
| description | Genbank: S79537, S79538 |
| molecularNote | A gene trap vector integrated between exons 3 and 4 of the gene. Beta-galactosidase is expressed from this allele in a subset of tissues, while the endogenous gene is expressed ubiquitously. |