| Primary Identifier | MGI:3701836 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Apobec3 |
| Transmission | Germline | Strain of Origin | 129P2/OlaHsd |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | A neo cassette was inserted into exon 3 resulting in a null allele. Targeted mutation was confirmed by northern and western blot that showed no RNA or protein expression, respectively, in spleen tissue. |