| Primary Identifier | MGI:3822152 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Mir133a-1 |
| Transmission | Germline | Strain of Origin | 129S/SvEv |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | The 68 bp pre-miR stem loop found in intron 23 of Mib1 was replaced by an FRT flanked neomycin resistance cassette. Mib1 expression is not affected. |