| Primary Identifier | MGI:4338581 | Allele Type | Gene trapped |
| Attribute String | Null/knockout, Reporter | Gene | Smg1 |
| Transmission | Germline | Strain of Origin | 129P2/OlaHsd |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | The gene trap inserted into intron 12. RT-PCR confirmed the absence of transcript expression. |