| Primary Identifier | MGI:3576789 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Drd2 |
| Transmission | Germline | Strain of Origin | 129S/SvEv-Gpi1<c> |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | The 3' end of exon 2, containing the ATG, was replaced by a neomycin resistance gene to prevent production of either of two possible isoforms. In situ hybridization demonstrated no expression of mRNA in mutant brain samples. |