| Primary Identifier | MGI:2179948 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Ache |
| Transmission | Germline | Strain of Origin | (129X1/SvJ x 129S1/Sv)F1-Kitl<+> |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | A 5 kb genomic fragment containing exons 2-5 was replaced by a neomycin resistance gene cassette. Enzymatic activity assays on blood serum derived from homozygous mice confirmed that no functional protein was made from this allele. |