| Primary Identifier | MGI:2388162 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Gfi1b |
| Transmission | Germline | Strain of Origin | 129S1/Sv-Oca2<+> Tyr<+> Kitl<+> |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | Exons 2 through 4 were replaced with a floxed neomycin selection cassette inserted by homologous recombination. The deleted region included the translational start codon. |