| Primary Identifier | MGI:1857462 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Grpr |
| Transmission | Germline | Strain of Origin | 129X1/SvJ |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | A neomycin resistance cassette disrupted exon 1 of the gene. |