| Primary Identifier | MGI:2178434 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | F3 |
| Transmission | Germline | Strain of Origin | Not Specified |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | A neomycin selection cassette replaced the first exon of the gene. Northern blot analysis on embryonic fibroblasts derived from homozygous mice demonstrated that no detectable transcript was expressed from this allele. |