| Primary Identifier | MGI:3693634 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Fn3k |
| Transmission | Germline | Strain of Origin | (129X1/SvJ x 129S1/Sv)F1-Kitl<+> |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | A targeting vector was designed to replace part of exon 1 and all of exon 2 with a beta-gal and neomycin resistance cassette. Erythrocytes, kidney and brain samples from mutants confirmed absence of transcript. Beta-gal expression was not detected in mutants. |