| Primary Identifier | MGI:1932244 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | F9 |
| Inheritance Mode | Recessive | Transmission | Germline |
| Strain of Origin | 129S/SvEv-Gpi1<c> | Is Recombinase | false |
| Is Wild Type | false |
| molecularNote | A neomycin cassette replaced 3.2 kb of sequence spanning exons g and h. Neither RT-PCR and Northern blot analyses detected mRNA in homozygous mutant mice. |