| Primary Identifier | MGI:3505551 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Cnr1 |
| Transmission | Germline | Strain of Origin | 129P2/OlaHsd |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | A neomycin resistance gene replaced the sequence spanning from part of the 5' UTR to the sixth transmembrane region. |