| Primary Identifier | MGI:5435589 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Fktn |
| Transmission | Germline | Strain of Origin | 129S/SvEv |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | A loxP site and an FRT flanked neo selection cassette were inserted upstream of exon 2 while a second loxP site was inserted downstream. Mice were subsequently crossed to an cre expressing strain to excise exon2. |