| Primary Identifier | MGI:6423590 | Allele Type | Targeted |
| Attribute String | Modified isoform(s) | Gene | Oprm1 |
| Transmission | Germline | Strain of Origin | B6(Cg)-Tyr<c-2J> |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | A stop codon was introduced in all variants downstream of exon 3. Cre-mediated recombination removed the floxed neomycin selection cassette inserted downstream of exon 3. This allele affects variants: all 6 and 7 transmembrane domain variants, and MOR-1S. |