| Primary Identifier | MGI:2387013 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Oprd1 |
| Transmission | Germline | Strain of Origin | 129/Sv |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | Exon 1, which encodes the translational start codon, was replaced by a neomycin selection cassette inserted by homologous recombination. A radiolabeled binding assay demonstrated complete functional ablation in homozygous mutant mice. |
