| Primary Identifier | MGI:2675769 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Ctf1 |
| Transmission | Germline | Strain of Origin | 129S2/SvPas |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | A neomycin selection cassette replaced a genomic fragment spanning exon 2 and the complete coding region of exon 3. In situ hybridization studies on homozygous embryos demonstrated that no detectable transcript is expressed from this allele. |