| Primary Identifier | MGI:3581741 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Chrm2 |
| Transmission | Germline | Strain of Origin | 129X1/SvJ |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | A PGK-neo-bpA cassette replaced the coding region via homologous recombination. Northern blot analysis confirmed the absence of mRNA in the brain. |