| Primary Identifier | MGI:2429529 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Fah |
| Transmission | Germline | Strain of Origin | 129S7/SvEvBrd-Hprt1<+> |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | Exon 5 was disrupted by the insertion of a neomycin selection cassette. A biochemical assay of liver tissue showed fumarylacetoacetate hydrolase activity to be reduced by approximately 50% in heterozygous mice and completely ablated in homozygous mutant mice. |