| Primary Identifier | MGI:2388373 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Sag |
| Transmission | Germline | Strain of Origin | 129S/SvEv |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | Part of the 5' promoter and exons 1 and 2 were replaced with a neomycin resistance cassette via homologous recombination. Gene expression was undetectable in rod cells of homozygous mutant animals as shown by Western blot analysis. |