| Primary Identifier | MGI:2679967 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Id3 |
| Transmission | Germline | Strain of Origin | 129S4/SvJaeSor |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | The first 2 exons and part of exon 3 were replaced by a PGK neomycin cassette. Gene disruption was confirmed by Northern blot analysis. |