| Primary Identifier | MGI:3609568 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Apba1 |
| Transmission | Germline | Strain of Origin | 129S/Sv |
| Is Recombinase | false | Is Wild Type | false |
| description | ES cell line = CCE28 |
| molecularNote | A 1.0-kb sequence containing the first methionine of the gene was replaced with the pMC1-neomycin-polyA cassette. Northern and Western blot analyses failed to detect transcript and protein, respectively, in mutant brain samples. |