| Primary Identifier | MGI:1857860 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Abca4 |
| Transmission | Germline | Strain of Origin | 129S4/SvJae |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | Replacement of a 4 kb genomic fragment containing the promoter and first exon with a neomycin cassette. Immunoblot analysis of retinal homogenates failed to detect any protein in samples derived from homozygous mice. |