| Primary Identifier | MGI:3698283 | Allele Type | Targeted |
| Attribute String | Inserted expressed sequence | Gene | Oprm1 |
| Transmission | Germline | Strain of Origin | Not Specified |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | A stop codon was inserted into exon 3 and a floxed hygro cassette was inserted downstream of exon 3. This line has 96 nucleoties separating the premature stop codon and the downstream splice junction. The hygro was subsequently removed via cre mediated recombination. |