| Primary Identifier | MGI:2668595 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Grk1 |
| Transmission | Germline | Strain of Origin | 129X1/SvJ |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | Exon 1 was replaced with a neomycin selection cassette inserted by homologous recombination. Normal protein was undetected in the retinas of homozygous mutant mice by Western blot analysis. |