| Primary Identifier | MGI:5904133 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Ttc9 |
| Transmission | Germline | Strain of Origin | (129X1/SvJ x 129S1/Sv)F1-Kitl<+> |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | Exon 1, encoding 70% of the protein, was replaced by a loxP-flanked neomycin resistance cassette. Western blot and immunoblot analysis of brain, mammary gland, lung and uterus confirmed that no protein was expressed in mutant mice. |