| Primary Identifier | MGI:2449922 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Fev |
| Transmission | Germline | Strain of Origin | (129X1/SvJ x 129S1/Sv)F1-Kitl<+> |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | The entire coding region was replaced with a neomycin selection cassette inserted by homologous recombination. Transcript was undetected by in situ hybridization of hindbrain tissue obtained from homozygous mutant mice. |