| Primary Identifier | MGI:1857631 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Cbx2 |
| Transmission | Germline | Strain of Origin | 129P2/OlaHsd |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | A neomycin resistance cassette replaced exons 1-4. RT-PCR analysis confirmed the absence of the transcript in homozygous mice. |