| Primary Identifier | MGI:3526443 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Apex2 |
| Transmission | Germline | Strain of Origin | 129S/SvEv-Gpi1<c> |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | A targeting vector was designed to replace the 3' end of intron 5 and the 5' end of exon 6 with a neo in the opposite orientation. Northern blot showed that mutant ES cells did not contain wild-type transcript. |