| Primary Identifier | MGI:5320799 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Mirc21 |
| Transmission | Germline | Strain of Origin | (C57BL/6 x 129S4/SvJae)F1 |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | A targeting vector was designed to replace the microRNA 34b (miR-34b) and miR-34c sequence with a frt-flanked neomycin resistance (neo) cassette. Flp-mediated recombination removed the neo cassette. |