| Primary Identifier | MGI:7529797 | Allele Type | Endonuclease-mediated |
| Attribute String | Recombinase | Gene | Oprm1 |
| Strain of Origin | C57BL/6NTac | Is Recombinase | true |
| Is Wild Type | false |
| molecularNote | Using CRISPR-Cas9 technology, a T2A cleavable peptide and Cre recombinase was inserted downstream of the last exon (exon 4) in the Oprm1 gene. |