| Primary Identifier | MGI:6150922 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Mirc40 |
| Transmission | Germline | Strain of Origin | Not Specified |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | A floxed neomycin resistance cassette replaced 2.085 kb of the cluster including Mir183 and Mir96. |