| Primary Identifier | MGI:5638790 | Allele Type | Targeted |
| Gene | Bcl9 | Transmission | Germline |
| Strain of Origin | (C57BL/6NTac x 129S6/SvEvTac)F1 | Is Recombinase | false |
| Is Wild Type | false |
| molecularNote | Exons 6 and 7 were replaced with a fused exon 6-7 lacking the HD1 domain and an FRT and loxP flanked neo cassette was inserted intron 7 via homologous recombination. Flp mediated recombination removed the neo cassette. |