| Primary Identifier | MGI:6155624 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Mastl |
| Transmission | Germline | Strain of Origin | 129S1/SvImJ or C57BL/6J |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | A loxP site was inserted upstream of exon 4 and an FRT flanked neo cassette and loxP site were inserted downstream of exon 4 via homologous recombination. Flp-mediated recombination removed the neo cassette. Cre-mediated recombination deleted exon 4 in the germline resulting in a frameshift. |